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1. How are carbohydrates used by the body? Choose ALL answers that apply.-
: •
structure (Answer)
•
Communication (Answer)
•
storage (Answer)
•
Recognition
2. What type of immunity does a vaccine provide? Choose only ONE best
answer.: • naturally acquired passive immunity
• Artificially acquired passive immunity
• Naturally acquired active immunity
•Artificially acquired active immunity`(Answer)
3. Which organs and/or glands are superior to the liver? Choose ALL answers
that apply.: • Lungs (answer)
• Parathyroid gland (answer)
• Kidneys
• Thymus (answer)
4. Which cavity contains all of the frontal cavities? Choose only ONE best
answer.: • Dorsal
• Thoracic
• Abdominopelvic
• Ventral (Answer)
5. Which of the following carry oxygenated blood? Choose ALL answers that
apply.: • Pulmonary artery
• Pulmonary vein (Answer)
• Aorta (Answer)
• Superior vena cava
6. Which of the following are disaccharides? Choose ALL answers that apply.-
: • Sucrose (Answer)
• Glucose
• Cellulose
• Lactose (Answer)
7. Which body system is responsible for the transport of dissolved oxygen
from the lungs to the spleen?: • Immune
• Endocrine
• Respiratory
• Cardiovascular (Answer)
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8. Which condition can lead to blood clots and stroke?: • Aneurysm
• Arrhythmia (Answer)
• Asthma
• Hypertension
9. A botanist wants to determine if environmental temperature affects root
growth. In her experiment,she creates 4 rooms at temperatures that vary by
5 degrees F. Each room gets 20 seedlings of the same species, which she
grows on agar plates for 60 days. Once a day, she measures the length of each
seedling’s root. At the end of 60 days, she compares the length of the roots
with the room temperature. She finds the room with the lowest temperature
produced the longest roots.
What is the independent variable in this study?: • Temperature (Answer)
• Seedlings
• Light
• Root length
10. Which of the following can act as enzymes in the body?: • Globular proteins
(Answer)
• Lipase (Answer)
• Amylase (Answer)
• Glucagon
11. Which of the following is the carbohydrate monomer?: • Disaccharide
• Lactose
• Monosaccharide (Answer)
• Thymine
12. Which of the following are true about water?: • Water has polar covalent
bonds. (Answer)
• Water has a neutral pH of 7. (Answer)
• Water has a low specific heat capacity. • Water as a solid is less dense than water
as a liquid. (Answer)
13. Hydrophobic proteins often provide which function in the body?: • Digestive enzymes
• Provide structure (Answer)
• Carry oxygen molecules
• Store energy
14. Which of the following have a smaller genetic scale than a chromosome?: •
Genome
• Gene (Answer)
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• DNA (Answer)
• All of the above
15. What best measures the volume of a solid?: • Triple beam balance
• Measuring wheel and mathematical formula (Answer)
• Graduated cylinder
• Measuring wheel
16. What cavities are in the ventral cavity of the human body?: • Thoracic Cavity
(Answer)
• Abdominal Cavity (Answer)
• Cranial Cavity
• Pelvic Cavity (Answer)
17. Which is the largest part of the airway?: • Alveoli
• Bronchi
• Bronchioles
• Trachea (Answer)
18. Which of the following is an effect of high blood pressure?: • Smoking
• Excessive dietary salt
• Renal vessel damage (Answer)
• Older age
19. What is the monomer for nucleic acids?: • Nucleotide (Answer)
• Amino acid
• Phosphate group
• Ribosome
20. Consider the graph which represents a botanist’s data of root growth. What
is the independent variable?: • Temperature (Answer)
• Root tissue
• Light exposure
• Root length
21. What type of tissue protects the respiratory system’s trachea?: • Bone
• Cartilage (Answer)
• Collagen
• Keratin
22. Which of the following are examples of covalent bonds?: • H‚O (Answer)
• NaCl
• C†H•‚O† (Answer)
• MgO
23. Which of the following is an example of Mendelian inheritance?: • Incomplete Dominance
• Polygenic Alleles
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• Combination Inheritance
• Recessive Inheritance (Answer)
24. Which of the following are globular proteins?: • Antibody (Answer)
• Enzyme (Answer)
• Hemoglobin (Answer)
• Keratin
25. What type of bond connects amino acids?: • Covalent
• Peptide (Answer)
• Ionic
• Hydrogen
26. What is the name for a microorganism that lives on or in the human body
and normally causes no disease or harm?: • Bacteria
• Commensal Microorganism (Answer)
• Microorganism
• Host
27. Which of the following infectious diseases can be caused by a viral infection?: • COVID19 (Answer)
• Varicella (Answer)
• Mumps (Answer)
• Measles (Answer)
28. You are a nursing student and are triaging a patient. Which of the following
is an example of quantitative data you can gather?: • The patients say he feels
pain.
• The patient says he has stabbing pain in his right lower abdomen.
• The patient’s temperature is 101.7 degrees F. (Answer)
• The patient reports that he had a fever yesterday
29. Which of the following are examples of steroids in the human body?: •
Cholesterol (Answer)
• Testosterone (Answer)
• Cortisol (Answer)
• Estradiol (Answer)
30. What of the following factors influence the rate of a chemical reaction?: •
Temperature (Answer)
• Pressure (Answer)
• Concentration of reactants and substrate (Answer)
• Any catalysts (Answer)
31. Which of the following infectious diseases can be caused by bacteria?: •
Tuberculosis (Answer)
• Cholera (Answer)
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• Varicella
• Influenza
32. During which of the following stages does crossing over occur?: • Mitosis
Prophase
• Meiosis Prophase I (Answer)
• Meiosis Prophase II
• Interphase
33. Which of the following is correct based on anatomical terms?: • The shoulder joint is proximal to the neck.
• The elbow joint is superior to the shoulder.
• The thoracic vertebrae are superior to the cervical vertebrae. • The thumb is on the
lateral aspect of the hand. (Answer)
34. Which of the following is a genetic condition that affects the respiratory
system?: • Asthma (Answer)
• Cystic fibrosis (Answer)
• Mycosis
• Surfactant Deficiency (Answer)
35. A particular atom is uncharged, and it has an electron configuration of 1s2
2s2 2pv 3s2 and a mass number of 14. How many protons does it have?: • 14
• 6
• 8
• 12 (Answer)
36. Which of the following describes the term allele?: • A base pair substitution
in DNA
• An inheritable variation of a gene (Answer)
• A grouping of various genes
• Variations of complementary base pairs
37. Which of the following is part of the cardiovascular system?: • Blood vessels (Answer)
• Brain
• Kidneys
• Lungs
38. Which of the following are possible effects of obesity?: • Reduced exercise
• Joint and body pain (Answer)
• Hypertension (Answer)
• Diabetes (Answer)
39. Which of the following factors does not strengthen a scientific argument?-
: • Lack of bias.
• Extensive use of qualitative research and data. (Answer)
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• Able to be reproduced and repeated by others.
• Withstands the test of time
40. Which of the following are functions of the kidneys?: • Make urine and
maintain water homeostasis (Answer)
• Help maintain blood pressure (Answer)
• Synthesize Vitamin D
• Filter blood of salt, nutrients, water, and waste (Answer)
41. Which of the following correctly orders the layers of the epidermis from
most superficial to deepest?: • S. spinosa, S. Basale, S. corneum, S. granulosum,
S. lucidum
• S. corneum, S. lucidum, S. granulosum, S. spinosum, S. Basale (Answer)
• S. corneum, S. spinosum, S. Basale, S. granulosum, S. lucidum
• S. Basale, S. spinosum, S. granulosum, S. lucidum, S. corneum
42. What of the following statements is true about an allergic reaction?: •
An allergic reaction, like hives or wheezing breath, is the result of overactive body
systems like the integumentary system and respiratory system.
•
An allergic reaction is a function of overactive B-cells in the body, which release
various immunoglobulins.
•
An allergic reaction is a function of overactive mast cells in the body, which are
stimulated by Immunoglobulin E. (ANSWER)
•
An allergic reaction involves proteins like histamine, keratin and collagen
43. Alkali metals are in which group of the periodic table?: •Group 1 (ANSWER)
•Group 2
•Group 7
•Group 8
44. Which term refers to a molecule of DNA and structural protein?: •Lysosome
•Centrosome
•Chromosome (ANSWER)
•Genome
45. If Silicon (Si) has an atomic mass of 28.1 AMU (atomic mass units), which
of the following
is the most likely number of neutrons an atom of Silicon would have?: •28.1
•14 (ANSWER)
•28
•14.2
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46. Which neuromuscular system controls voluntary movement?: •Autonomic
•Somatic (ANSWER)
•Sympathetic
•Parasympathetic
47. Which of the following is another name for a sweat gland?: •Ceruminous
•Sebaceous
•Sudoriferous (ANSWER)
•Integumeous
48. Which of the following is another name for the voice box?: •Alveoli
•Larynx (ANSWER)
•Trachea
•Pharynx
49. Which term refers to the relaxation of heart muscle?: •Diastole (ANSWER)
•Systole
•Asystole
•Cardiastole
50. What is located in the skin’s dermis?: •Blood vessels (ANSWER)
•Nerve endings (ANSWER)
•Collagen (ANSWER)
•Melanocytes
51. Fat is primarily digested in the (BLANK) and protein is primarily digested
in the (BLANK): •mouth; stomach
•stomach; small intestine
, and protein is primarily digested in the
•small intestine; small intestine
•small intestine; stomach (ANSWER)
52. Which of the following produces the first heart sound (“lub”)?: •The closing
of the aortic and pulmonary valves
•The closing of the tricuspid and mitral valves (ANSWER)
•The opening of the aortic and pulmonary valves
•The opening of the tricuspid and mitral valves
53. Following the scientific method, which steps would be done before gathering qualitative
data?: •Communicate with a scientific journal
•Define the problem (ANSWER)
•Develop a hypothesis (ANSWER)
•Categorize data for statistical analysis
54. Which hormone is released by the pituitary?: •Estrogen
•Luteinizing Hormone (ANSWER)
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•Progesterone
•Testosterone
55. Which of the following does not describe a general trait of macromolecules?: •They can be single chains.
•They can be branched.
•They all contain carbon, hydrogen, and phosphorus. (Duplicate ANSWER)
•They all are used by the body.
56. The kidneys reabsorb water, salts, and nutrients and return them to the
body through
which structure?: •Renal artery
•Renal vein (Answer)
•Nephron
•Glomerulus
57. Which of the following best describes a group of cells working together?: •
Organelle
• Tissue (Answer)
• Organ
• Organ system
58. If a patient had a heart attack and tissue in the left ventricle lost blood flow,
what would you most expect to happen?: • Blood would not flow from the lungs.
• Blood would back up in the legs.
• Blood would not be pumped to the body. (Answer)
• Blood would not be oxygenated.
59. Which of the following immune cells are part of the innate immune response?: • Bcells
• Cytotoxic Tcells
• Natural Killer Cells (Answer)
• Antigen Presenting Cells
60. Which hormone is released by the ovaries to mature an egg?: • Estrogen
(Answer)
• Luteinizing Hormone
• Progesterone
• Testosterone
61. Which of the following are examples of positive correlation?: • As rainfall
increases, plant stem length slows.
• As rainfall increases, roots show longer length. (Answer)
• When plotting a comparison of rainfall to plant length, the line trendsto the lower
right.
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• When plotting a comparison of rainfall to plant length, the line trends to the upper
right. (Answer)
62. Iron is a transition metal, which means it often forms a cation with a charge
of what?: • 2 or 3
• 1
• 2+ or 3+ (Answer)
• 1+
63. Which of the following is in DNA?: • Uracil
• Deoxyribose (Answer)
• Guanine (Answer)
• Phosphate group (Answer)
64. How does renin regulate blood pressure?: • It signals the collecting ducts to
expel more urine.
• It affects the amount of water and salt stored or released by the body. (Answer)
• It signalsthe heart to reduce itssystole contraction.
• It relaxes blood vessels.
65. Which of the following has an acidic pH?: • Lemon juice (Answer)
• Blood
• Urine (Answer)
• Salt water
66. Which of the following are properties of a liquid?: • High atomic attraction
• Fixed volume (Answer)
• Low pressure
• Takes shape of container (Answer)
67. Which cavity is primarily lined by the peritoneum?: • Abdominal (Duplicate
Answer)
• Dorsal
• Ventral
• Thoracic
68. A veterinarian student designs a study to examine the nutritional qualities
of dog food. She believes that a grainfree diet can affect dog health. She
selects 3 of the topselling dog food brands for her study. From a local humane
society,she selects several chihuahua puppies under the age of 1 year. She will
track these puppies for the next year and access their health, include weight,
complete blood count, and paw size. Three puppies will be fed nothing but
brand #1 dog food, 10 puppies will only be fed Brand #2, and 10 puppies will
only be fed Brand #3.
How the researcher best improves this experiment?: • The experiment should
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include 7 more dogs for the Brand #1 group.
• The daily serving size of kibble should be controlled.
• The experiment needs a clearly defined control of puppies.
• All of the above are ways to improve the experiment. (Answer)
69. Which of the following is changed during a scientific investigation?: • The
dependent variable.
• The control.
• The hypothesis.
• The independent variable. (Answer)
70. Which of the following are true about the dependent variable?: • A factor
that remains constant during the experiment
• A factor with data typically plotted on the xaxis
• A factor that is measured during an experiment (Answer)
• A factor with data typically plotted on the yaxis (Answer)
71. Which two types of elements will most likely form an ionic bond?: • Two
elementsthat are in the same period.
• Two elementsthat are nonmetals and have p orbitals.
• One element that is a transition metal with d orbitals and one element that is a
metal with s orbitals.
• One element that is a metal with s orbitals and one element that is a non metal
with p orbitals. (Answer)
72. Which of the following is in the pelvic cavity?: • The kidneys
• The colon (Answer)
• The bladder (Answer)
• The rectum (Answer)
73. Water is considered a universal solvent due to its .: • Cohesion
• Adhesion (Answer)
• Molarity
• Dilution
74. What best measures the volume of a cube?: • Triple beam balance
• Measuring wheel and mathematical formula (Answer)
• Graduated cylinder
• Measuring wheel
75. How many pairs of chromosomes are in a human cell?: • 46
• 23 (Dupe double checked Answer)
• 64
• 32
76. Which of the following are true about Noble gasses?: • They are nonreactive.
(Answer)
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• They are highly reactive.
• They have 8 valence electrons. (Answer)
• They have 7 valence electrons.
77. Which of the following macromolecules will always contain nitrogen?: •
Fatty acid
• Protein (Answer)
• Lipid
• Carbohydrate
78. DNA has both a “sense” and “antisense” strand. What is true about the
antisense strand?: • It runs 5′ to 3′.
• It runs 3′ to 5′. (Answer)
• It is used in replication. (Answer)
• It is the direction DNA is stored
79. Which of the following best defines the anatomical term medial?: • Being
face down
• On the front of the body or limb
• Near to the midline of the body (Answer)
• Above or on top of lungs
80. Which of the following is not a biological macromolecule?: • Glycoproteins
• DNA
• Phospholipid
• Glucose (Answer)
81. Which of the following is a property of water?: • Water has a neutral pH.
(Answer)
• Water has a low specific heat capacity.
• Water has polar covalent bonds. (Answer)
• Water can dissolve almost any solid, liquid, or gas. (Answer)
82. Which of the following is the strongest scientific argument?: • Scientific
Hypothesis
• Scientific Law (Answer)
• Scientific Study Conclusion
• Scientific Theory
83. In which type of cell would you expect to find a high concentration of
lysosomes?: • Cardiac cells
• Glandular cells
• Immune cells (Answer)
• Muscle cells
84. What are the general functions of proteins in the body?: • Increase reaction
rates (Answer)
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• Provide immunity (Answer)
• Provide transport (Answer)
• Provide structure (Answer)
85. Which means of calculating concentration depends on pressure?: • ppm
• ppb
• molarity (Answer)
• molarity, ppb, and ppm
86. A veterinarian student designs a study to examine the nutritional qualities
of dog food. She believes that a grainfree diet can affect dog health. She
selects 3 of the topselling dog food brands for her study. From a local humane
society, she selects several chihuahua puppies under the age of 1 year. She
will track these puppies for the next year and access their health, include
weight, complete blood count, and paw size. Three puppies will be fed nothing
but Brand #1 dog food, 10 puppies will only be fed Brand #2, and 10 puppies
will only be fed Brand #3.
What is the independent variable in this experiment?: Time Dog
weight Dog
species Dog
food type (Answer)
87. A scientist wants to conduct qualitative research. Which method should
she use?: • Collecting patient narratives (Answer)
• Tracking the dosage of a drug and its blood levels in the patient
• Observing a patient’s physical changes (Answer)
• Writing journal notes about the research experience (Answer)
88. Which of the following are functions of the kidney?: • Release cortisol
• Maintain water homeostasis (Answer)
• Filter blood of salt, nutrients, water, and waste (Answer)
• Store urine (waste from digestive system from protein breakdown)
89. Which of the following is a role of folliclestimulating hormone?: • Triggersthe production of testosterone
• Stimulates development of ova (Answer)
• Stimulates development of sperm (Answer)
• Triggers ovulation
90. Which organ makes insulin and glucagon?: • Salivary Glands
• Liver
• Gallbladder
• Pancreas (Answer)
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91. If an atom has 32 neutrons, 17 protons and 19 electrons, what is its
charge?: • Positive
• Negative (Answer)
• Neutral
• Cannot be determined.
92. How does AIDS cause a failure in the immune system?: • Helper TCells can’t
activate Cytotoxic TCells or BCells. (Answer)
• IgE makes mast cells release too much histamine.
• IgE makes mast cellsrelease too little histamine.
• Helper TCellstrick the body into attacking itself.
93. A scientist wants to conduct quantitative research. Which method should
she use?: • Collecting patient narratives.
• Tracking the dosage of a drug and its blood levels in the patient. (Answer)
• Observing a patient’s physical changes.
• Writing journal notes about the research experience.
94. Which of the following is NOT true about DNA?: • DNA contains the nucleotides A, T, C, G and is read 5′ to 3′.
• DNA contains genetic information and is tightly coiled with protein to form chromosomes.
• DNA contains the nucleotides A, T, C, G and isread 3′ to 5′. (Answer)
• DNA is a doublestranded molecule that is connected by hydrogen bonds.
95. Which region of the small intestine is the primary site of absorption?: •
Duodenum
• Jejunum (Answer)
• Ileum
• Cecum
96. What some examples of proteins in the human body?: • Keratin (Answer)
• Hemoglobin (Answer)
• Enzyme (Answer)
• Chitin
97. What step of the scientific method must come before generating a hypothesis?: • Collecting and organizing data.
• Communicating the results in a scientific journal.
• Conducting an experiment.
• Researching previous studiesfor background. (Answer)
98. An FBI agent has spent her career studying individual serial killers. From
this data, she creates a theory about the traits of these killers. What type of
reasoning has she used?: • Deductive Reasoning
• Conductive Reasoning
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• Quantitative Reasoning
• Inductive Reasoning (Answer)
99. Which of the following is not true about the relationship between the
gastrointestinal system and the endocrine system?: • Hormones signal to your
body if you are hungry or full.
• Hormones regulate the amount of glucose in your blood.
• Hormonesstimulate digestive enzymes and peristalsis when you’ve eaten and
need to digest all the food.
• All of the above are true. (Answer)
100. Where is keratin?: • It is a proteindigesting enzyme released by the stomach.
• It is. released in the neuromuscular junction.
• It is a protein found in the hypodermis.
• It is a protein found in hair. (Answer)
101. Sulfur has an atomic number of 16 and an atomic mass of approximately
32. How
many neutrons and electrons could a negative ion of Sulfur have?: •16 neutrons, 16 electrons
•16 neutrons, 17 electrons (Answer)
•17 neutrons, 16 electrons
•17 neutrons, 17 electrons
102. is the function of the Vas Deferens?: •Makes fluid to increase sperm mobility
•Site where the egg matures
•Helps control urine flow
•Connects each testis to the urethra (Answer)
103. Dysentery is an infectious disease caused by what type of microbe?: –
•Helminth
•Bacteria
•Protozoan (Answer)
•Fungus
104. Consider the graph which represents a botanist’s data of root growth.
What is the
independent variable?: •Temperature (Answer)
•Root tissue
•Light exposure
•Root length
105. Which of the following best describes the relationship among density,
volume, and
mass?: •As volume increases, density increases.
•As volume decreases, density increases. (Answer)
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•An object’s mass does not affect its density.
•As volume decreases, mass increases.
106. Which term refers to the mechanical act of breathing?: •Diffusion
•Perfusion
•Respiration
•Ventilation (Answer)
107. What do lacteals absorb?: •Carbohydrates
•Lipids (Answer)
•Proteins
•Nonpolar nutrients
108. Which of the following indicates the body’s draining of clear fluid throughout the body
in order to protect it from infection?: •Pulmonary Loop
•Systemic Loop
•lymphatic System (Answer)
•Immune System
109. Which of the following is a pathology caused by a virus?: •Asthma
•Cystic Fibrosis
•Epiglottitis
•Influenza (Answer)
110. A botanist wants to determine if environmental temperature affects root
growth. In her
experiment, she creates 4 rooms at temperatures that vary by 5 degrees F.
Each room gets 20
seedlings of the same species, which she grows on agar plates for 60 days.
Once a day, she measures the length of each seedling’s root. At the end of 60
days, she
compares the length of the roots with the room temperature. She finds the the
room with the
lowest temperature produced the longest roots.
Which of the following is best identified as a hypothesis?: •The environmental
temperature can affect the growth of a plant’s root. (Answer)
•Plants need light to grow.
•A colder environment produces longer roots.
•Plants need 60 days in order to grow their roots.
111. Which of the following often contains a carboxyl group?: •Carbohydrate
•Glycolipids
•Amino Acid (Answer)
•DNA
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112. What might happen if blood sugar begins to drop in the human body?: –
•The pancreas releases insulin.
•The liver releases stored glucose. (Answer)
•The liver stores glucose as glycogen.
•The pancreas releases glucagon (Answer)
113. Which is a function of the liver?: •Makes bile (Answer)
•Stores bile
•Turns waste ammonia into urea (Answer)
•Filters and detoxifies products of digestion (Answer)
114. Which of the following is an end product of cellular respiration?: •Oxygen
•ATP energy (Answer)
•Carbon dioxide (Answer)
•Water (Answer)
115. Which of the following are true about human diploid cells?: •Diploid cells
contain two sets of homologous chromosomes from 1 parent.
•Human diploid cells have 46 chromosomes. (Answer)
•Human diploid cells have 23 chromosomes.
•Diploid cells contain two sets of homologous chromosomes from each parent.
(Answer)
•Diploid cells are most cells in the human body. (Answer)
•Diploid cells are gametes.
116. Which of the following ratios are examples of Mendelian inheritance?: –
•2:1
•3:1 (Answer)
•9:3:3:1 (Answer)
•3:3:9:3
117. The _____variable is measured as a possible effect and is plotted on the
____axis.: •Independent, x
variable is measured as a possible effect and is plotted on the
•Independent, y
•Dependent, x
•Dependent, y (Answer)
118. What type of bond is in a salt?: •Ionic (Answer)
•Nonpolar covalent
•Polar covalent
•Peptide
119. Where does mRNA translation typically occur?: •On the ribosome (Answer)
•In the nucleus
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•In the cytoplasm (Answer)
•On the smooth endoplasmic reticulum
120. Which term refers to the space where lymph flows through the body?: –
•Artery
•Lumen
•Interstitial space (Answer)
•Vein
121. Amino acids are the structural basis of proteins. What makes amino
acids?: •Amine group (Answer)
•Carboxyl group (Answer)
•Glycerol
•Sugar residue
122. Sweat contains waste and help regulates body temperature. Which of the
following are
found in sweat found in the skin’s glands?: •Vitamin D
•Urea (Answer)
•Urine
•Lactic acid (Answer)
123. Which of the following infectious diseases can be caused by a protozoan?: •Measles
•Malaria (Answer)
•Mumps
•Mononucleosis
124. Which of the following is made by Natural Killer Cells in order to create
pores for
rupture?: •Interferon
•Apoptosis
•Perforin (Answer)
•Antibody
125. Which of the following is a bone in or near the hand?: •Phalanges (Answer)
•Metatarsals
•Metacarpals (Answer)
•Carpals (Answer)
126. At which step in the scientific method might a scientist create a model?-
: •Hypothesis
•Data analysis
•Experimentation
•Conclusion (Answer)
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127. What is hydroxyapatite?: •A mixture of minerals like calcium and phosphorus
that strengthen the collagen matrix
of bone. (Answer)
•The structural unit of a bone that runs the length of the bone.
•The covering of bones at the point of articulation to prevent grinding.
•The lightest portion of a long bone and concentrated at the ends.
128. What are the three main regions of the kidney?: •Cortex (Answer)
•Renal arch
•Renal pelvis (Answer)
•Medulla (Answer)
129. Which number stays constant despite possible changes to the element?-
: •Atomic number (Answer)
•Number of electrons
•Atomic mass
•Isotope form
130. Which structure of the endocrine system matures T-Cells?: •Hypothalamus
•Pineal
•Thymus (Answer)
•Thyroid
131. KCl is an example of which type of bond?: •Ionic bond (Answer)
•Covalent bond
•Hydrogen bond
•Polar Covalent
132. Which of the following is an example of a nonspecific defense?: •Skin
(Answer)
•Macrophages
•T-cells (Answer)
•Fever (Answer)
133. Consider the graph which represents a botanist’s data of root growth. On
which axis
would she label with centimeters?: •X-axis
•Z-axis
•Y-axis (Answer)
•The graph label
134. What do the proximal and distal convoluted loops do?: •They collect urine
before it travels to the bladder.
•They filter water and nutrients and excrete them as waste.
•They filter water and nutrients and absorb them back into the body. (Answer)
•They use blood pressure to filter platelets out of the blood.
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135. Which of the following is an example of qualitative data?: •Observation
(Answer)
•Questionnaire ranking (Answer)
•Interviews
•Longitudinal studies (Answer)
136. Which type of bone cell is the most mature?: •Osteocyte (Answer)
•Osteoclast
•Osteoblast
•Osteon
137. Which structure in the brain links electrical messages of the nervous
system to the
chemical messages of the endocrine system?: •Hypothalamus (Answer)
•Medulla oblongata
•Pineal
•Pituitary
138. Which of the following is an intensive physical property of matter?: •Melting point (Answer)
•Boiling point (Answer)
•Density
•Luster (Answer)
139. What is the difference between the apocrine glands and the eccrine
glands of the skin’s
dermis layer?: •Apocrine glands are a type of sebum gland; eccrine glands are a
type of sudoriferous
gland.
•Apocrine glands are a type of sudoriferous gland; eccrine glands are a type of
sebum
gland.
•Apocrine gland are sudoriferous gland that open into the dermis; eccrine glands are
a
type of sudoriferous gland that open into the epidermis.
•Apocrine gland are sudoriferous gland that open into a hair follicle; eccrine glands
are
a type of sudoriferous gland that open into the epidermis (Answer)
140. What would the charge of an ion of Calcium be?: • 1+
• 2+ (Answer)
• 1-
• 2-
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141. What is the functional unit of a muscle?: •Actin
•Myosin
•Myofibril
•Sarcomere unit (Answer)
142. Which of the following affect the effectiveness of an enzyme?: •Temperature (Answer)
•pH (answer)
•Substrate (answer)
•Inhibitor (answer)
143. Which of the following are the smallest units in muscle tissue?: •Actin and
myosin (Answer)
•Actin and sarcomere units
•Myosin and sarcomere units
•Actin and myofibril
144. Which of the following is not in the nucleic acid of RNA?: •Adenine
•Thymine (Answer)
•Guanine
•Cytosine
145. Which compound is formed when the negative ions from an acid combine
with the
positive ions from a base?: •Ester
•Alcohol
•Carboxyl group
•Salt (Answer)
146. Which of the following is an axial bone?: •Sternum (Answer)
•Carpals
•Calcaneus
•Humerus
147. What happens to air as it moves through the trachea and bronchi?: •The
air only becomes warmer.
•Oxygen and carbon dioxide are exchanged.
•The air only becomes more moist.
•The air becomes warmer and more moist. (Answer)
148. Which of the following has a basic pH in the body?: •Urine
•Salt water
•Blood (Answer)
•HCl
149. What is the functional unit of bone called?: •Canaliculi
•Lamellae
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•Osteons (Duplicater Answer)
•Periosteum
150. Magnesium (Mg) undergoes a chemical reaction and becomes an ion.
How many
electrons can you expect it lose or gain?: •Magnesium will gain two electrons.
•Magnesium will gain six electrons.
•Magnesium will lose six electrons.
•Magnesium will lose two electrons. (Duplicate Answer)
151. Which of the following might introduce unintentional bias into a scientific
experiment?: •Selecting a non-representative study group (Duplicate Answer)
•Conducting an experiment with a small sample size (Duplicate Answer)
•Altering the results of an experiment
•Favoring a particular outcome of the experiment
152. How many protons does a negatively charged isotope of Nitrogen-12
have?: • 5
• 7 (Answer)
• 12
• 14
153. A student has been assigned an experiment into the life cycle of a frog.
First, she needs
to count the daily number of tadpoles at her assigned pond. Which of the
following would
give her the most accurate and reliable data?: •Going to the pond in every
morning, collecting a 1 L sample of water, and counting the
tadpoles.
•Going to the pond every morning at 10 a.m., collecting a 1 L sample of water, and
counting the tadpoles.
•Going to the pond every morning at 10 a.m., collecting a 1 L sample of water at 3
set
locations at the pond, and counting the tadpoles. (Answer)
•Going to the pond once a week at 10 a.m., collecting a 1 L sample of water at 3 set
locations at the pond, and counting the tadpoles.
154. Which would a researcher select for measuring mass?: • Triple beam
balance (Answer)
• Meter stick
• Thermometer
• Electronic balance (Answer)
155. If the flow of bile into the duodenum were blocked, the digestion of which
of the following would be most affected?: • Carbohydrates
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• Lipids (Answer)
• Proteins
• Carbohydrates and proteins
156. Water has several important qualities that make it a unique molecule.
Which of the following best describe some of the properties of water?: • Water
is slightly basic with a pH of 7.2
• Water has a high specific heat capacity and high heat of vaporization. (Answer)
• Water’s oxygen and hydrogen molecules are connected through covalent, nonpolar
bonds.
• Water’s triple point is near absolute zero (273.1 degrees) (Answer)
157. Which of the following are a formula for ppm?: • mg of solute ÷ kg solution
(Answer)
• kg mass of solute ÷ kg mass of solution x 10^6 (Answer)
• kg mass of solvent ÷ kg mass of solution
• mg of solute ÷ kg solution x 10^6
158. Which of the following are features of osmosis?: • Osmosis only involves
water. (Answer)
• Osmosis requires a membrane. (Answer)
• Osmosis involves moving from an area of high concentration to low concentration.
(Answer)
• Osmosis requires ATP energy.
159. Where in the body would one not expect to find cartilage?: • Covering
connection points in the bone
• Around the trachea to provide protection
• In the ear to provide structure
• In the skin to provide elasticity. (Answer)
160. A botanist would like measure the root length of various seedlings. Which
tool would be best?: • A ruler with precision to the half inch.
• A microscope and a ruler.
• A microscope with magnification to the 10th power.
• A microscope and a ruler with precision to the millimeter. (Answer)
161. Which macromolecule most provides the structure of for a human cell?: •
Protein (Answer)
• DNA
• Lipid •
Carbohydrate
162. What is another name for an antibody?: • Antigen
• Immunoglobulin (Answer)
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• Lymphocytes
• Pathogen Associated Molecular Patterns
163. In a reduction reaction, electrons are___ so that the end ion is more ___
.: • lost, positive
• gained, negative (Answer)
• lost, negative
• gained, positive
164. Which of the following are true about glycoproteins?: • They are proteins
with an attached lipid.
• They are used by the immune system. (Answer)
• They are proteins with an attached carbohydrate. (Answer)
• They are joined by peptide bonds
165. A researcher is conducting an experiment on root growth and light exposure. The researcher suspects that, since plants go underground, roots will
grow better if they have less exposure to light. The researcher divides seeds
into 4 groups. Group 1 has 20 seeds and is planted in dirt. Group 2 has 20
seeds and is placed in an agar dish exposed to light 2 hours a day. Group 3
has 5 seeds and is placed in an agar dish exposed to light 4 hours a day. Group
4 has 5 seeds is placed in an agar dish exposed to light 20 hours a day.
What problem has the researcher created in this experimental design?: • The
researcher does not have a control group.
• The researcher has not kept the sample size equal across all groups. (Answer)
• The researcher has designed an experiment that does not test her hypothesis.
• The researcher cannot replicate this experiment
166. Which of the following can measure liquids?: • Graduated cylinder (Answer)
• Triple Beam Balance
• Volumetric flask (Answer)
• Measuring wheel
167. Which type of bone is most involved in supporting the body’s weight?: •
Flat
• Irregular
• Long (Answer)
• Short
168. What would happen if the residual volume of the lungs increased?: • The
rate of diffusion would increase.
• The rate of diffusion would decrease. (Answer)
• The rate of diffusion would remain the same. • Ventilation would be reduced.
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169. Which of the following best describe the function of the femur?: • It
provides protection for vital organs.
• It provides support and movement. (Answer)
• It provides for movement of the neck.
• It holds the shoulder in place.
170. What is one reason why the male reproductive system is largely located
outside the body?.: • The male reproductive system is not located outside the body;
it is inside the body
• The male reproductive system is largely located outside the body because the
lower body temperature helps produce testosterone.
• The male reproductive system is largely located outside the body because the
lower body temperature helps produce sperm. (Answer)
• The male reproductive system is largely located outside the body because the
lower body temperature helps produce urine.
171. Which of the following are located in the upper respiratory tract?: • Nares
(Answer)
• Bronchus
• Lung
• Mouth (Answer)
• Pharynx (Answer)
• Larynx
172. Which of the following statements are true about the mesoderm during
human development?: • It develops into muscles and much of the cardiovascular,
reproductive, and excretory systems. (Answer)
• It is the middle germ layer. (Answer)
• It develops into skin and nervous tissue.
• It is the outer germ layer.
173. Which of the following describes movement against a concentration
gradient?: • Diffusion
• Osmosis
• Active Transport (Answer)
• Supersaturation
174. What is an important role of cytokines?: • Cytokines indicate an allergic
reaction in the body.
• Cytokines direct immune cells to a site of infection. (Answer)
• Cytokines bind to antigens.
• Cytokines signal a foreign substance.
175. Which of the following factors would strengthen a scientific argument?: •
Highlighting cultural context and bias by the author.
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• Extensive use of qualitative research and data.
• Able to be reproduced and repeated by others. (Answer)
• Using a sample size not representative of the population.
176. What would most likely happen first if blood could not leave the left
atrium?: • Blood would pool in the pulmonary artery.
• Deoxygenated blood from the body could not return to the heart.
• Oxygenated blood could not be pumped to the body.
• Blood would pool in the pulmonary vein and lungs. (Answer)
177. Which of the following bones is part of the axial skeleton?: • Cranium
(Answer)
• Scapula
• Phalanges
• Tibia
178. Which are examples of active immunity?.: • Antibodies acquired by infection
(Answer)
• Antibodies acquired by an infant through breast milk
• Antibodies acquired through vaccination (Answer)
• Antibodies acquired through antivenom
179. Which of the following best describes the process of inspiration?: • During
inspiration, the diaphragm releases and the rib cage contracts.
• During inspiration, the diaphragm contracts and the rib cage expands. (Answer)
• During inspiration, the diaphragm contracts and the rib cage contracts.
• During inspiration, the diaphragm does not move and the rib cage expands.
180. What is the end result of the first stage of meiosis?: • 4 diploid cells
• 4 haploid cells
• 2 diploid cells
• 2 haploid cells (Answer)
181. Which of the following are true about DNA?: • DNA is a doublestranded
helix. (Answer)
• It contains a sugar called ribose.
• It contains a phosphate group. (Answer)
• The double strands are joined via hydrogen bonds. (Answer)
182. Which of the following would most likely be found in a placebo?: • Active
ingredient
• Water (Answer)
• Sugar (Answer)
• Potassium
183. Which of the following are examples of qualitative research?: • Focus
group (Answer)
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• Survey
• Observation (Answer)
• Longitudinal study (Answer)
184. Which structure connects the ovary to the uterus?: • Cervix
• Fallopian tube (Answer)
• Graafian follicle
• Vagina
185. Which of the following is true about the bladder?: • bladder does not
communicate with the central nervous system.
• The bladder has one sphincter.
• The bladder is connected to both the urethra and the ureters. (Answer)
• The bladder is hollow but not muscular.
186. Which term best describes an enzyme’s need to function in the right
environmental conditions?: • Specificity
• Fastidious (Answer)
• Globular
• Inhibitor
187. Which of the following best describes the function of flat bones?: • Flat
bones produce red blood cells.
• Flat bones produce white blood cells.
• Flat bones provide a site of attachment for large muscles.
• Flat bones provide protection for underlying tissues (Answer)
188. What is the sinoatrial node?: • It’s a lymph gland located in the thoracic cavity.
• It’s a specialized region of the jejunum.
• It’s the region between the left atrium and the left ventricle.
• It’s the heart’s pacemaker (Answer)
189. Where does carbohydrate digestion begin?: • The mouth (Answer)
• The stomach
• The small intestine
• The large intestine
190. Which organs and/or glands are superior to the liver?: • Lungs (Answer)
• Parathyroid gland (Answer)
• Kidneys
• Thymus gland (Answer)
191. Which of the following are examples of non Mendelian inheritance?: •
Recessive inheritance
• Incomplete Dominance (Answer)
• Polygenic Alleles (Answer)
• Combination Inheritance (Answer)
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192. Which of the following have a demonstrated causal relationship with
hypertension?: • Smoking (Answer)
• High salt diet (Answer)
• Stress (Answer)
• Lack of exercise (Answer)
193. During condensation, a ___ changes to a ___ and heat is ___ .: • gas, liquid,
lost (Answer)
• liquid, gas, lost
• gas, liquid, gained
• liquid, gas, gained
194. Which of the following terms best describes a negatively charged subatomic particle?: • Anion
• Cation
• Neutron
• Electrons (Answer)
195. ___are at a lower taxonomic level than ___.: • Tissues, cells
• Organs, tissues
• Organs, cells
• Cells, tissues (Answer)
196. Which layer of the epidermis contains rapidly dividing cells?: • Granulosum
• Basale (Answer)
• corneum
• Spinosum
197. A parasitic worm is also known as what?: • Fomite
• Fungus
• Protozoa
• Helminth (Answer)
198. How do catalysts increase the rate of a reaction?: • Catalysts lower the
surface area of the substrate to speed the reaction.
• Catalysts lower the activation energy needed for the reaction to occur. (Answer)
• Catalysts increase the activation energy needed for the reaction to occur.
• Catalysts increase the surface
199. Vitamin A is fat soluble. Which of are following is true?: • Vitamin A is
hydrophilic.
• Vitamin A is hydrophobic. (Answer)
• Vitamin A is stored by the body in fat. (Answer)
• Vitamin A is stored by the body in urine.
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200. Which class of enzyme is involved in fat digestion?: • Amylase
• Bicarbonate
• Lipase (Answer)
• Protease
201. In an acidbase reaction, water is formed along with which other substance?: • Simple sugar
• Salt (Answer)
• Metal
• Carbon dioxide
202. What is a reflex arc?: • A special class of motor neurons that run up and down
the legs.
• Sensory neurons that connect to the spinal cord, not the brain, for a very fast
reaction time to environmental stimuli. (Answer)
• An involuntary response to environmental stimuli.
• Sensory neurons that connect to the brain stem for a very fast reaction time to
environmental stimuli.
203. A researcher wants to examine the effectiveness of a new medication for
blood pressure. The medication is taken daily with recommended dosage of
10 mg. The researcher recruits 100 adults for a study. Sixty of these adults will
take the new medication, and 40 of the adults will serve as a control group. All
adults will participate in the study for 6 months.
Which of the following is a dependent variable?: • Time in the study
• Blood pressure (Answer)
• Placebo exposure
• Experimental drug exposure
204. Which of the following would be classified as an antigenpresenting cell
(APC)?: • Macrophage (Answer)
• Dendritic cell (Answer)
• Eosinophils
• Neutrophils
205. Carbon dioxide is a gas that moves into the bloodstream via which
process?: • Osmosis
• Diffusion (Answer)
• Supersaturation
• Adhesion
206. Which structure connects the testes to the urethra?: • Seminal Vesicles
• Vas Deferens (Answer)
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• Bulbourethral gland
• Prostate
207. What do you need in a monohybrid cross?: • Heterozygous dominant parent
• Homozygous dominant parent (Answer)
• Heterozygous recessive parent
• Homozygous recessive parent (Answer)
208. Which of the following states of the cell cycle is best described as cell
growth in preparation for division?: • G1
• G2 (Answer)
• G3
• Synthesis
209. What type of bond connects monomers in carbohydrates and lipids?: •
Peptide
• Covalent (Answer)
• Ionic
• Hydrogen
210. Which of the following is a trait of alkaline metals?: • Alkaline metals tend
to form cations. (Answer)
• Alkaline metals tend to form anions. Metals tend to form cations.
• Alkaline metals are in the first column of the periodic table.
• Alkaline metals tend to form covalent bonds.
211. Which of the following terms describes the processes of a leukocyte
traveling through a capillary slit in response to cytokines?: • Infection
• Diapedesis (Answer)
• Interferon
• Diffusion
212. What are identical copies of chromosomes called?.: • Chromatids (Answer)
• Alleles
• Genes
• Codons
213. Which of the following are most likely an involuntary response?: • Reflex
arc (Answer)
• Bicep contraction
• Systole (Answer)
• Peristalsis (Answer)
214. Insulin is released by the ____ gland, and it decreases blood sugar levels
by ____ the amount of sugar stored in cells.: • Adrenal glands; increasing
• Adrenal glands; decreasing
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• Pancreas; increasing (Answer)
• Pancreas; decreasing
215. Which of the following is true about catalysts?: • All catalysts are enzymes.
• Catalysts increase the rate of a reaction. (Answer)
• Catalysts increase the reaction rate of an enzyme.
• All enzymes are catalysts. (Answer)
216. What does the sebaceous gland do?: • It excretes minerals like sodium
chloride.
• It excretes urea as waste.
• It secretes oil to lubricate the skin. (Answer)
• It secretes hormones to stimulate epidermal growth.
217. Which of the following are true about elements in the second column of
the periodic table of elements?: • The second column elements are also called
alkali metals.
• They often donate electrons to become cations. (Answer)
• They form ions with a charge of 1+
• The second column elements are also called alkaline metals. (Answer)
218. Which of the following are endothermic phase changes?: • Condensation
• Vaporization (Answer)
• Sublimation (Answer)
• Freezing
219. Which of the following describes how macromolecules are broken down
into monomers?: • Exothermic dehydration reaction
• Endothermic dehydration reaction
• Exothermic hydrolysisreaction (Answer)
• Endothermic hydrolysisreaction
220. Which of the following is a function of the integumentary system?: • It
forms a waterproof barrier between the outside world and the body. (Answer)
• It is involved in thermoregulation via sweat glands and the dilation of blood vessels.
(Answer)
• It excretes waste products like urea, lactic acid and alcohol. (Answer)
• It synthesizes vitamin K using UV light from the sun
221. Which of the following is an example of passive and artificial immunity?: •
A vaccine
• Antibodies in breast milk
• Antivenom (Answer)
• Antibodies passed through the placenta
222. Flat bones can produce red blood cells and protect the body. What are
some examples of flat bones in the human body?: • Cervical vertebrae
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• Ribs (Answer)
• Sternum (Answer)
• Pelvis (Answer)
223. How can technology improve science?: • Improve communication of data
(Answer)
• Remove all human bias
• Improve accuracy of data (Answer)
• Improve precision of data (Answer)
224. How many amino acids exist?: • 124
• 64
• 20 (Answer)
• 3
225. Which pathology is marked by mineral loss from the bone?: • Brittle Bone
Disease
• Osteoarthritis
• Osteoporosis (Answer)
• Rheumatoid Arthritis
226. What are the two deepest layers of the epidermis?: • Basale (Answer)
• Corneum
• Granulosum
• Spinosum (Answer)
227. Which of the following are true about the process of osmosis?: • Osmosis
isthe movement of water from low concentration to high concentration.
• Osmosis is not a type of diffusion.
• Osmosis requires a selectively permeable membrane. (Answer)
• Osmosis is unique diffusion process only involving water. (Answer)
228. Which of the following describesthe difference between efferent nerves
and afferent nerves?: • Efferent nerves are sensory nerves, and afferent nerves
respond to acetylcholine.
• Efferent nerves are motor nerves and afferent nerves are sensory nerves. (Answer)
• Efferent nerves are sensory nerves, and afferent nerves are motor nerves.
• Efferent nerves are part of the peripheral nervous system, and afferent nerves are
not.
229. Which of the following is a substance that triggers and immune response?: • Antibody
• Antigen (Answer)
• Allergy
• Amylase
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230. Which of the following best describes an effect of a fever?: • A fever
increasesthe growth of pathogens.
• A fever decreases the rate of chemical reactions. (Answer)
• A fever increases heart rate.
• A fever decreases the number of white blood cells.
231. Which of the following is NOT true about the relationship between the
kidneys and the cardiovascular system?: • Blood enters the kidney’s cortex
through the renal vein. The kidney filters water, salts, and nutrients, and it returns
them to the cardiovascular system through the renal artery. (Answer)
• The kidneys make the hormone renin, which affects the levels of water and salt in
the body, thereby influencing blood pressure.
• Blood pressure is used to filter blood through the kidney’s glomerulus, which can
be damaged by high blood pressure.
• Blood entersthe kidney’s cortex through the renal artery. The kidney filters water,salts, and nutrients, and it returns them to the cardiovascular system through the
renal vein.
232. Which type of microscope provides the highest magnification?: • Bright
Field Microscope
• Differential Interference Contrast Microscope
• Electron Microscope (Answer)
• Confocal Scanning Laser Microscope
233. Which of the following influences the rate of reaction?: • Temperature
(Answer)
• Pressure
• Catalysts (Answer)
• Oxygen concentration
234. Which of the following is affected at the critical point?: • Plasma
• Solid
• Liquid (Answer)
• Gas (Answer)
235. Which is true about the genetic makeup of viruses?: • They consist only
DNA.
• They consist only RNA.
• Some viruses have RNA; others have DNA. (Answer)
• As nonliving organisms, they have neither RNA or DNA.
236. What is the best unit of measurement for the diameter of a coin?: • Meter
• Centimeter (Answer)
• Milligram
• Inch
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237. Which bones are part of the axial skeleton?: • Hyoid bone (Answer)
• Ossicles (Answer)
• Clavicle
• Sternum (Answer)
238. Which type of muscle is involved in peristalsis?: • Cardiac muscle
• Skeletal muscle
• Smooth muscle (Answer)
• Myofibril muscle
239. What is the maximum number of electrons in the d orbital?: • 2
• 6
• 10 (Answer)
• 14
240. Which statement best describesthe relationship between the gastrointestinalsystem and the nervous system?: • The parasympathetic nervoussystem
controls digestion. (Answer)
• The sympathetic nervoussystem controls digestion.
• The nervoussystem releases hormonesthat regulate blood sugar. • There is no
relationship between the gastrointestinal system and the nervoussystem.
241. Which of the following statements are true?: • Bases in solution feel slippery.
(Answer)
• Bases form hydroxide ions in solution. (Answer)
• Bases form when acid reacts with metals.
• Pure, undissolved bases are often crystalline solids. (Answer)
242. How can infectious diseases be transmitted from person to person?: •
Contact with bodily fluids (blood, saliva) (Answer)
• Skin to skin or sexual contact (Answer)
• Touching common surfaces (Answer)
• Droplets (Answer)
243. Which of the following are true about Halogens?: • They are nonreactive.
• They are highly reactive. (Answer)
• They have 8 valence electrons.
• They have 7 valence electrons. (Answer)
244. What is the end product of mitosis?: • 4 haploid daughter cells
• 4 diploid daughter cells
• 2 haploid daughter cells
• 2 diploid daughter cells (Answer)
245. What factors help contribute to a well
reasoned scientific experiment?: • Large sample size (Answer)
• Well defined control group (Answer)
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• Accurate and precise measurement (Answer)
• Results can be reproduced and repeated many time (Answer)
246. Which type of reaction creates biological polymers?: • Combustion
• Dehydration synthesis (Answer)
• Decomposition
• Single replacement
247. Which of the following transmits impulses away from the cell body?: •
Receptor
• Central Nervous System
• Cerebellum
• Axon (Answer)
248. The radius is an example of which type of bone?: • Short
• Irregular
• Long (Answer)
• Flat
249. SI units are standardized units by the international scientific community.
Which of the following are SI units?: • Kilogram (Answer)
• Gram
• Second (Answer)
• Minute
250. Which cell is NOT part of the adaptive immune system?: • Cytotoxic T Cell
• Plasma Cell
• Helper T Cell
• Natural Killer Cells (Answer)
251. Which of the following can be found in an atom’s nucleus?: • Proton
(Answer)
• Electron
• Neutron (Answer)
• Isotop
252. Which of the following is a property of a base?: • It tastes sour.
• It turns red litmus paper blue. (Answer)
• It has a pH below 7.
• It forms cations in solution.
253. On the periodic table, which block often forms covalent bonds with each
other?: • s orbitals
• p orbitals (Answer)
• d orbitals
• f orbitals
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254. A researcher wants to examine the relationship between family income
and quality of medical care. Which statement provides the best reason to
conduct this investigation?: • The researcher can learn about rich people and ask
them for advice and money.
• The investigation can help target health people so that they can stay healthy.
• Results of this investigation may identify a group of people who do not receive
quality medical care, which could lead to these people receiving quality medical
treatments. (Answer)
• There is no reason to conduct this investigation.
255. Which of the following is not a typical side effect of smoking?: • Weight
gain (Answer)
• Emphysema
• COPD
• Cancer
256. What’s the difference between a monohybrid cross and a dihybrid cross?-
: • A monohybrid cross involves one trait, and a dihybrid cross involves two traits.
(Answer)
• A monohybrid cross involves Mendelian genetics, and a dihybrid does not.
• A monohybrid cross does not involve Mendelian genetics, and a dihybrid does.
• A monohybrid cross examinestwo traits, and a dihybrid cross examinesthree traits.
257. Which one of the following organelles helps remove cellular waste?: •
Mitochondrion
• Lysosome (Answer)
• Golgi apparatus
• Vacuole
258. Which of the following would be classified as an antigen presenting cell
(APC)?: • Macrophage (Answer)
• Dendritic cell (Answer)
• Eosinophils
• Neutrophils
259. Which of the ratios would be expected in a Punnett square involving an
allele with incomplete dominance?: • 3:1
• 1:2:1 (Answer)
• 9:3:3:1
• Cannot be determined.
260. What is the difference between the prefix deci and the prefix deca?: • Deci
indicates a measurement of 0.001, and deca indicates a measurement of 100.
• Deci indicates a measurement of 0.01, and deca indicates a measurement of 100.
• Deci indicates a measurement of 0.01, and deca indicates a measurement of 10.
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• Deci indicates a measurement of 0.1, and deca indicates a measurement of 10
(Answer)
261. Which of the following is true about Punnett squares?: • Punnett squares
indicate exactly what the genetic makeup of offspring will be.
• Punnett squares indicate possible phenotypes of offspring.
• Punnett squares can be used to understand the genome. (researched Answer)
• Punnett squares suggest the probability of mutation. (researched Answer)
262. A study finds that dogs that get 30 minutes a day of interaction with
other dogs live, on average, 3 years longer than dogs without daily canine
interaction. Which of the following is the most appropriate conclusion from
this study?: • Exercise and a low calorie diet will most extend a dog’s life.
• A puppy that does not socialize with other dogs will live a shorter life. (Answer)
• Dogs only live for 3 years.
• Interaction plus good nutrition will give the best outcomes for a dog’s lifespan.
263. What part of the cell is most involved in protein packaging?: • Ribosome
• Golgi Apparatus (Answer)
• Peroxisome
• Mitochondria
264. What happens when a muscle is relaxed?: • The muscle proteins stretch.
(Protein) (Answer)
• The muscle proteins shorten.
• The muscle protein
slenthem.
• The muscle proteins release acetylcholine.
265. Which of the following describes an endocrine function of the pancreas?-
: • The pancreas releases digestive enzymes to break down carbohydrates, proteins,
and fats.
• The pancreas releases molecules that affect the amount of glucose in cells.
(Answer)
• The pancreas releases molecules that neutralize chyme.
• The pancreas releases molecules that regulate the sleep cycle.
266. A monohybrid cross results in the following four outcomes: 1 BB, 2 Bb, 1
bb. B is the dominant allele for brown hair. What percentage of offspring with
brown hair would you expect?: • 1
• 0.75 (Answer)
• 0.5
• 0.25
267. In which stage of meiosis do chromosomes separate while chromatids
remain together?: • Metaphase I
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• Anaphase I (Answer)
• Metaphase II
• Anaphase II
268. Which of the following describes the pulmonary artery?: • Atrioventricular
valve
• Tricuspidal valve
• Semilunar valve (Answer)
• Muscular valve
269. Which of the following is an exothermic phase change?: • Melting
• Condensation (Answer)
• Vaporization
• Sublimation
270. Which of the following is NOT a feature of the lymphatic system?: •
Immune cells like lymphocytes
• Lymph nodes that are located throughout the body
• A clear fluid called lymph
• Drainage of fluids through a closed system (Answer)
271. Which of the following is the main structural and functional unit of the
kidneys?: • Collecting duct
• Distal convoluted loop
• Glomerulus
• Nephron (Answer)
272. In the biological classification system, which contains class?: • Family
• Order
• Phylum (Answer)
• Species
273. Which of the following are functions of proteins?: • Form enzymes (Answer)
• Heredity
• Transport (Answer)
• Provide structure (Answer)
274. Which structure contains the nucleus of a neuron?: • Axon
• Cell Body (Answer)
• Dendrite
• Synapse
275. Where is acetylcholine released?: • Duodenum
• Afferent nerve junction
• Goblet cell
• Neuromuscular junction (Answer)
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276. In an acid base reaction, water is formed along with which other substance?: • Simple sugar
• Salt (Answer)
• Metal
• Carbon dioxide12
277. Sodium has an atomic number of 11 and an atomic mass of about 22.9.
How many protons does an isotope of sodium have?: • 11 (Answer)
• 22.9
• 11.9
• Cannot be determined with the information provided.
278. A botanist hasrecorded careful data examining the relationship between
temperature and root growth. As you consider her graph, how might you
suggest she improve the experiment?: • Use a different species of plant that is
better suited for cold temperatures.
• Increase the range of temperatures • Increase the sample size of seeds for each
temperature (Answer)
• Study the root growth at higher temperatures
279. Complex carbohydrates can be broken down into which of the following
compounds?: • Glucose (Answer)
• Disaccharides (Answer)
• Oligosaccharides (Answer)
• Polysaccharides (Answer)
280. What makes luteinizing hormone?: • Ovaries
• Testes
• Pituitary (Answer)
• Corpus luteum
281. Which organelle is responsible for protein synthesis?: • Centrosome
• Mitochondrion
• Peroxisomes
• Ribosome (Answer)
282. Which of the following are involved in carbohydrate digestion?: • Amylase
(Answer)
• Lipase (Answer)
• Trypsin
• Protease (Answer)
• Lactase (Answer)
283. A lab technician wants to measure 5 L of fluid. Which tool would be most
appropriate for an accurate measurement?: • Graduated Cylinder
• Measuring Spoon
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• Volumetric Pipette
• Volumetric Flask (Answer)
284. Which of the following are examples of exothermic reactions?: • Synthesis
• Combustion (Answer)
• Combination with strong acid and base
• Cellular respiration (Answer)
285. Which body system is most involved in thermoregulation?: • Integumentary System (Answer)
• Endocrine System
• Genitourinary System
• Immune System
286. What are some fibrous and hydrophobic proteinsin the body?: • Collagen
(Answer)
• Keratin (Answer)
• Antibody
• Hemoglobin
287. Interphase occurs before which of the following stages?: • Mitosis
Prophase (Answer)
• Meiosis Prophase I (Answer)
• Meiosis Prophase II (Answer)
• Mitosis Telophase I (Answer)
288. What are features of a human chromosome?: • Chromatin (Answer)
• Gene (Answer)
• DNA (Answer)
• Histone (Answer)
289. A lab technician wants to measure 0.5 mL of fluid. Which tool would be
most appropriate for an accurate measurement?: • Graduated cylinder
• Measuring spoon
• Volumetric Pipette (Answer)
• Volumetric Flask
290. What is the mass of 1 L of water?: • 1 g
• 10 g
• 1 kg (Answer)
• 10 kg
291. Which are examples of active immunity?: • Antibodies acquired by infection
(Answer)
• Antibodies acquired by an infant through breast milk
• Antibodies acquired through vaccination (Answer)
• Antibodies acquired through antivenom
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292. How are carbohydrates stored by the liver?: • Glucose
• Glycoprotein
• Glycogen (Answer)
• Gluten
293. Which of the following are part of the digestive juices of the stomach?: •
Gastric lipase (Answer)
• Pepsin (Answer)
• Hydrochloric acid (Answer)
• Gastrin
294. What structures are in the nephron?: • Collecting tubule (Answer)
• Renal pelvis
• Glomerulus (Answer)
• Convoluted loops (Answer)
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