When energy intake continually exceeds energy expenditure, the result is:
a. diabetes.
b. anorexia.
c. malnutrition.
d. obesity.
D
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A form of undernutrition caused by an extremely deficient intake of calories, protein, or both is termed ________. Two examples of this type of malnutrition are kwashiorkor and marasmus.
A. protein-energy malnutrition B. bulimia C. anorexia D. scurvy
A child is lethargic, irritable with diarrhea. The cause may be:
a. zinc toxicity b. lead poisoning c. iron overload d. vitamin A toxicity
Caitlin, a 7-year-old girl, has always been very careful to take good care of her teeth. She and her parents are upset that she has developed small, white spots in her teeth, and consult their dentist about what they can do to remove them. Why did Caitlin develop these spots, and what could she have done to prevent them?
Which of the following is NOT among the characteristics of vitamin C?
a. Easily degraded by heat b. Easily degraded by oxygen c. With moderate intake it acts chiefly as a prooxidant d. Adequate amounts are contained in breast milk but not cow's milk