A student asks, "What does cell-mediated immunity mean to the client?" The instructor responds. "This means:
A) The body is trying to defend itself against intracellular microbe invasion by engulfing and destroying the microbe."
B) The person's immune system is trying to eliminating all responses to certain antigens."
C) The person's immune system is trying to rapidly mature more killer cells to protect against any microbial invasion."
D) Our body is trying to systematically control the immune response."
Ans: A
Feedback:
Cell-mediated immunity, which defends against intracellular microbes such as viruses, is provided by cells called T lymphocytes. Some T lymphocytes activate phagocytes to destroy microbes that have been engulfed, whereas others kill any type of host cell that is harboring microbes.
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