How does protein-energy malnutrition affect the immune system?
A. It suppresses nonspecific immune responses.
B. It has no effect on the immune system.
C. It diminishes immune response to antigens.
D. It enhances specific immune responses.
Answer: C
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The highest attainable bone density for an individual, developed during the first three decades of life is termed ________.
Fill in the blank(s) with the appropriate word(s).
A feature of catabolic reactions is that they ____
a. involve the release of energy b. occur only in mitochondria c. involve consumption of energy d. occur only during loss of body weight e. require carbon dioxide
Which of the following is a similarity between conditionally essential nutrients and essential nutrients?
A) Both are synthesized by the body. B) Both cannot be synthesized by the body. C) Both are not required to be obtained from the diet. D) Both are required to be obtained from the diet.
Which of the following is considered a precursor to a vitamin A?
a. Beriberi b. Biotin c. Beta-carotene d. Bioflavinoids