The capacity of the immune system to offer protection __________ after age 20, partly as a result of __________
A) declines; changes in the thymus
B) increases; greater production of T cells
C) remains stable; improved health habits
D) declines; increased function of the pituitary gland
A
Psychology
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Which cognitive event, often attributed to the work of Martin Seligman, is hypothesized as contributing to the development and maintenance of major depression?
a) self-efficacy b) learned helplessness c) reciprocal determinism d) all-or-none thinking
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What can a caretaker do to diminish the intellectual disability associated with PKU?
a. use long?term behavior modification b. schedule monthly blood transfusions c. serve foods that are low in phenylalanine d. teach the child to communicate via sign language
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