During presentation of APC-bound antigen, macrophages secrete a cytokine that activates T helper cells.What is the name of this cytokine?
A)the major histocompatibility complex
B)interleukin-2
C)IgM
D)interleukin-1

Question

Quizplus · Accepted Answer

The cytokine secreted by macrophages during presentation of APC-bound antigen that activates T helper cells is interleukin-1 (IL-1), not the major histocompatibility complex (MHC), interleukin-2 (IL-2), or IgM. Therefore, option D is the correct answer.

During Presentation of APC-Bound Antigen, Macrophages Secrete a Cytokine That