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
4. c. supplies oxygen and nutrients to and remove wastes from tissues: Circulation
is 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
5. a. absorbed more readily in the presence of bile salts: Fat-soluble vitamins are
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
9. c. a fever: Interleukin-1 secretion causes
a. an allergic reaction
b. an antibody response
c. a fever
d. cytokine secretion
10. D. all of the above: Which of the following terms is (are) defined correctly?
a. Adequate diet-diet that provides suflcient energy and essential nutrients for growth, maintenance , and repair of
tissues.