What is the difference between a reaction to poison ivy and other delayed-type hypersensitivity reactions?
A) The poison ivy reaction is solely a CD8 response.
B) The poison ivy reaction is solely mediated by IgG.
C) The poison ivy reaction is solely an NK cell response.
D) The poison ivy reaction is solely a macrophage response.

Question

Quizplus · Accepted Answer

Whereas other delayed-type hypersensitivity reactions involve several immune cell types, the reaction to poison ivy only involves activation of CD8 T cells. The CD8 T cells kill any host cell that has urushiol on the cell surface.

What Is the Difference Between a Reaction to Poison Ivy