A helper T cell that secretes ______ induces a switch in the adjacent B cell from IgM synthesis to one of the IgG classes.
A)IFN-ɤ
B)IFN-α
C)IFN-β
D)interleukin-1
E)glucagons

Question

Quizplus · Accepted Answer

Helper T cells secrete cytokines to activate and direct other cells of the immune system. In this case, IFN-ɤ induces a switch called class switching in B cells, which allows them to produce different types of immunoglobulins (IgG, IgA, or IgE) instead of just IgM.

A Helper T Cell That Secretes ______ Induces a Switch