Which of the following statements about vitamin A’s role in the body is FALSE?
a. Only one-thousandth of the body’s vitamin A is in the retina.
b. Vitamin A and beta-carotene protect the skin from sun damage.
c. Vitamin A maintains healthy cells in the mucous membranes.
d. Vitamin A supports normal fetal development during pregnancy.
e. Lycopene serves as a vitamin A precursor and acts as an antioxidant.
Answer: E
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Which of the following is a common source of resistant starch?
a. Apple b. Orange c. Baked potato d. Just-ripened bananas
Which of the following is NOT a component of lecithin?
a. Choline b. Phosphate c. Fatty acids d. Magnesium
Which of the following is not a metabolic activity?
a. Inhaling and exhaling air b. Making new red blood cells via bone marrow c. Chewing food d. Filtering wastes through the kidneys e. The heart beating 100,000 times each day
All six classes of nutrients play important roles in regulating body processes.
a. true b. false