All of the following are significant food sources of vitamin D except:
a. sardines.
b. rolled oats.
c. salmon.
d. mushrooms.
e. fortified milk.
Q. 2Fortified food sources of vitamin D available in the United States include:
a. salmon.
b. sardines.
c. margarine.
d. eggs.
e. tuna.
Q. 3The vitamin D deficiency disease that develops in adults is known as:
a. osteomalacia.
b. rickets.
c. macular degeneration.
d. pellagra.
e. scurvy.
Q. 4Research suggests that deficiency of vitamin D may lead to:
a. kidney stones.
b. low blood pressure.
c. blood disorders.
d. cardiovascular disease.
e. gallbladder disease.
Q. 5Important roles of vitamin D include all of the following except:
a. bone health.
b. cell growth and specialization.
c. influence over reproductive system cells.
d. health of the retina in the eye.
e. influence over hair follicles.
Q. 6Foods rich in beta-carotene include:
a. beets.
b. corn.
c. red cabbage.
d. sweet potatoes.
e. whole grains.
Q. 7What is one symptom of a beta-carotene toxicity?
a. xerophthalmia
b. night blindness
c. bright yellow skin
d. hardening of the macula in the eye
e. rough, dry skin
Q. 8Population studies suggest that people whose diets lack foods rich in beta-carotene have a higher incidence of:
a. macular degeneration.
b. rickets.
c. anemia.
d. night blindness.
e. osteomalacia.
Q. 9Healthy people can eat vitamin A-rich foods in large amounts without risking toxicity, with the possible exception of what food?
a. carrots
b. liver
c. cheese
d. fortified breakfast cereals
e. eggs
Q. 10All of the following foods contain active vitamin A except:
a. fortified cereal.
b. milk.
c. liver.
d. fish oils.
e. french fries.
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