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a
low risk of cancer because of decreased cell-mediated immunity
b
high risk of cancer because of decreased cell-mediated immunity
c
low risk of cancer because of decreased number of T helper cells
d
high risk of cancer because of decreased humoral-mediated immunity
answer is B.
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Detailed Solution
Cell-mediated immunity protects healthy individuals from cancer. NK cells and T cytotoxic cells kill tumor cells. AIDS patients have a high incidence of certain cancers like Kaposi’s sarcoma because of decreased cell-mediated immunity.