As people age, their thymus shrinks. How does thymus shrinkage affect the effectiveness of vaccinations? Vaccinations will have no effect because the entire immune system is shut down
A. Vaccinations will be more effective
because at birth your thymus made all the T
cells you'll need for your entire life.
B. Vaccinations will be less effective because
B cells will not produce appropriate amounts
of antibodies.
C. Vaccinations will be less effective because
T cell maturation is reduced.
D. Vaccinations will be as effective in aging
patients as in young patients because T cells
develop in the bone marrow.
C
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