immune system age related changes Flashcards

1
Q

significant decline in cell______ _____ occurs

A

mediated immunity

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2
Q

T lymphocytes are less able to proliferate in response to _____

A

mitogens

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3
Q

changes in T cells contribute to the reactivation of _____ ____ and _______ _______

A

varicella zoster

mycobacterium tb

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4
Q

the concentration of IgM is ______

A

lower

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