Answers | Update 2026/2027 | Graded A+.
1. True✓✓ A person under stress may have a lowered resistance to infection.
T or F
2. all of the above.: ✓✓The B vitamins are :
a. essential for normal cellular metabolism
b. involved in the oxidation of carbohydrates, lipids, and protiens
c. grouped because they are in the same foods
d. all of the above.
3. b. D: ✓✓Deficiency of vitamin causes osteomalacia
a. E
b. D
c. C
d. A
5. a. absorbed more readily in the presence of bile salts: ✓✓ Fatsoluble vitamins are
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,a. absorbed more readily in the presence of bile salts
b. excreted rapidly by the kidneys
c. easily destroyed by heat during cooking
d. not stored in tissues
6. False: The stomach is C- shaped and extends from the duodenum to the spleen. T or F
7. c. blood cells and platelets: "Formed elements" are
a. blood and lymph
b. serum and plasma
c. blood cells and platelets
d. sodium and potassium
8. True: Lymph transports fat molecules with longer chains of carbon atoms away from the
intestine.
T or F
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,9. c. a fever: Interleukin-1 secretion causes
a. an allergic reaction
b. an antibody response
c. a fever
d. cytokine secretion
4. c. supplies oxygen and nutrients to and remove wastes from tissues: ✓✓ Circu- lation i
vital because it
a. inflates the lungs
b. delivers carbon dioxide to tissues and removes excess oxygen
c. supplies oxygen and nutrients to and remove wastes from tissues
d. delivers wastes to tissues
10. D. all of the above: Which of the following terms is (are) defined correctly?
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, a. Adequate diet-diet that provides sufficient energy and essential nutrients for growth,
maintenance , and repair of tissues.
b. Malnutrition- poor nutrition that results from a lack of essential nutrients
c. Bulimia- binging and purging
d. All of the above
12. b. an increase in the concentration of blood glucose: Secretion of glucagon causes
a. an increase in the formation of fat
b. an increase in the concentration of blood glucose
c. an increase in the permeability of the cell membrane to glucose
d. an increase in glycogen
13. d. all of the above: Steroid hormones
a. are soluble in lipids
b. combine with protein receptor muscles
c. cause messenger RNA synthesis
d. all of the above
14. True: A set of primary teeth consists of 20 teeth, whereas a set of secondary teeth
consists of 32 teeth.
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