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Question
Which of the following is a characteristic of aging and the immune system?
a. Immunity in older people does not seem to be affected by regular exercise.
b. In the United States, infectious diseases are a minor cause of deaths in the elderly.
c. Immune function does not decline with age in people who maintain good nutrition.
d. Antibiotics are often ineffective in treating infections in older people who have deficient immune systems.
e. In elderly persons, nutritional status rarely influences immune functioning.
Answer
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