An MHC class II/antigen complex on the surface of an antigen-presenting cell (APC) binds to a T-cell receptor. What results from this interaction?
A) Other immune cells are inhibited.
B) The antigen is phagocytized by the T cell.
C) The T cell responds by directly destroying the APC.
D) Other immune cells are stimulated to respond to the antigen.

Question

Quizplus · Accepted Answer

This interaction between an MHC class II/antigen complex and a T-cell receptor typically leads to the activation of the T cell, which then can stimulate other immune cells to respond to the antigen, enhancing the immune response.

An MHC Class II/antigen Complex on the Surface of an Antigen-Presenting