What Is the Difference Between a Reaction to Poison Ivy

Multiple Choice

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.