How does vitamin A affect the immune system?
A) It takes up and stores iron, keeping it away from invading microbes.
B) It has no effect on the immune system.
C) It suppresses the immune response.
D) It is necessary for the differentiation of immune cells.
Q. 2Much of the science behind micronutrient discoveries began with observations of unusual diseases.
Indicate whether the statement is true or false
Q. 3During the second and third trimesters, a pregnant woman's energy needs increase by about how many kilocalories (kcal) per day?
A) 750-850 B) 450-550 C) 100-200 D) 350-450
Q. 4Which of the following is the BEST source of vitamin C?
A) butter B) walnuts C) pork chops D) citrus fruit
Q. 5The primary function of liver glycogen is to
A) synthesize glycoproteins. B) provide energy for digestion.
C) maintain blood glucose. D) store fat.
Q. 6Vitamin supplements may be harmful. Which supplement, when taken in high doses, may increase the risk of osteoporosis and bone fractures in older adults?
A) vitamin B12 B) riboflavin C) vitamin A D) vitamin C
Q. 7How does protein-energy malnutrition affect the immune system?
A) has no effect on the immune system B) suppresses nonspecific immune responses
C) enhances specific immune responses D) diminishes immune response to antigens
Q. 8The absorption of which monosaccharide does NOT require energy?
A) maltose B) galactose C) fructose D) glucose
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