When T helper cells are exposed for the second time to hapten-peptide on antigen presenting cells, they
A) lyse cells using perforin
B) release cytokines which attract more macrophages
C) make antibodies
D) kill macrophages

Question

Quizplus · Accepted Answer

When T helper cells are exposed for the second time to hapten-peptide on antigen presenting cells, they release cytokines which attract more macrophages. This is part of the inflammatory response that leads to an enhanced immune response against the antigen.

When T Helper Cells Are Exposed for the Second Time