The nurse studying immunity understands that which are age-related changes in immune system functioning? (Select all that apply.)
a. Decreased number of lymphocytes
b. Decreased number of T suppressor cells
c. Atrophy of the thymic cortex
d. Increased numbers of antibodies to self-antigens
e. Decreased number of B cells
B, C, D
Several age-related changes to the immune system occur, including decreased number of T sup-pressor cells, atrophy of the thymic cortex, and increased numbers of antibodies to self-antigens. The numbers of lymphocytes and B cells do not change.
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A) True B) False
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a. true b. false
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