which of the following is a likely explanation for why the elderly do not respond as...
which of the following is a likely explanation for why
the elderly do not respond as well to vaccinations compared to
younger individuals?
a. abnormal antibody production by T cells
b. negative feedback regulation of T cell activity
c. hypertrophy of the thymus
d. decreased production of thymic hormones
Homework Answers
Answer: Decreased production of thymic hormones.
( As aging process increases, the production of thymic hormones gets lowered or loss. This is the reason why in elderly people have low hypersensitivity.)
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