Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | A phospholipid is
usually: a. | hydrophobic. | b. | neither hydrophilic nor hydrophobic. | c. | hydrophilic. | d. | partially hydrophilic and partially
hydrophobic. | | |
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| 2. | In general, the category of
lipids that we refer to as oils have: a. | a high degree of saturated bonds. | c. | long glycerol chains. | b. | a high water content. | d. | a high degree of unsaturated bonds. | | | | |
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| 3. | Which of the following is not
true of proteins? a. | Function depends on the three-dimensional
shape. | b. | May be denatured or coagulated by heat or acidity. | c. | Some types are called enzymes. | d. | Store coded hereditary information. | | |
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| 4. | Coenzymes are: a. | enzymes that work together. | b. | two enzymes that perform the same function. | c. | ions. | d. | organic molecules derived from vitamins. | | |
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| 5. | ________ is fat-soluble,
produced in the skin on exposure to UV radiation, and necessary for normal bone growth and
function. a. | Vitamin D | c. | Vitamin K | b. | Vitamin A | d. | Cortisol | | | | |
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| 6. | A red blood cell placed in pure
water would: a. | swell initially, then shrink as
equilibrium is reached. | b. | neither shrink nor swell. | c. | shrink. | d. | swell and burst. | | |
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| 7. | Which of the following is a
function of a plasma membrane protein? a. | molecular transport through the membrane | b. | circulating antibody | c. | oxygen transport | d. | forms a lipid bilayer | | |
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| 8. | Cholesterol is used in the cell
membrane to: a. | help make the membrane more
fluid. | b. | help make the membrane more rigid. | c. | assist in cell recognition by the immune
system. | d. | allow carbohydrates to pass through the membrane. | | |
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| 9. | Crenation would occur in which
of the following: a. | blood cells in an isotonic
solution. | c. | blood cells in a hypotonic solution. | b. | blood cells in a hypertonic solution. | d. | blood cells in blood plasma. | | | | |
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| 10. | A
very large cell would have which of the following problems (choose all that
apply) a. | getting enough
food in | c. | moving things
throughout the cell in a timely fashion | b. | eliminating waste products | d. | falling apart due to its own weight | | | | |
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In the diagram above the small circles represent
glucose. Assume there is equal volume inside the cell and outside when determining
tonicity.
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| 11. | Refer
to the diagram above. In the presence of insulin, what will happen a. | glucose will
enter the cell via active transport | d. | water will enter the cell and it will
lyse | b. | glucose will
leave the cell via simple diffusion | e. | glucose will enter the cell via carrier
protein | c. | glucose will enter the cell via gated protein
channels | | | | |
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| 12. | Which
two of the following combine for almost 50% of all deaths in the USA? (choose
two) a. | Accidents | d. | Heart
Disease | b. | Cancer | e. | HIV/AIDS | c. | Cerebrovascular
accidents | | | | |
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| 13. | Which
body region contains your armpits? a. | axillary | c. | cervical | b. | buccal | d. | smelly | | | | |
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True/False
Indicate whether the sentence or statement is true
or false.
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| 14. | A charged particle is correctly
called an ion.
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| 15. | Lipids are not the preferred
source of energy for fueling cellular activity
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| 16. | Oxygen is present in proteins
but not fats.
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| 17. | Each daughter cell resulting
from mitotic cell division has exactly as many chromosomes as the parent cell.
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| 18. | The following phases of mitosis
are in the correct order: prophase, metaphase, anaphase, and telophase.
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| 19. | The cell (plasma) membrane
normally contains substantial amounts of cholesterol.
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| 20. | Water
is one of very few substances to expand when they freeze.
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| 21. | The
armpits are lateral to the sternum.
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| 22. | Ventral means ‘toward the front’.
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| 23. | Your
abdominal cavity contains your stomach.
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| 24. | The
body plane that divides the body into top and bottom sections is called the coronal
plane.
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| 25. | Meningitis is one of the top 10 causes of death in the world.
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| 26. | Aspirin works by blocking the production of prostaglandins.
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| 27. | An
antagonist drug would bind to a receptor and activate that receptor, mimicking a natural body
compound.
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Matching
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Match
the item with its method of travel across the cell membrane a. | directly through
the bilayer | c. | gated protein
channel | b. | non-gated protein channel | d. | carrier protein | | | | |
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| 28. | alcohol
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| 29. | water
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Match
the term to its correct meaning (answers are scrambled) a. | derucpo | d. | ficidftul | b. | galer | e. | dimled | c. | mifntnolamai | | | | |
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| 30. | dys
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| 31. | itis
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Match
the function to the correct organ system a. | cardiovascular | d. | immune | b. | digestive | e. | skeletal | c. | nervous | | | | |
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| 32. | transports nutrients
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| 33. | breaks down food and absorbs nutrients
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