during-an-infection-a-macrophage-presents-an-antigen-via-mhc-class-ii-molecules-

Question

During an infection, a macrophage presents an antigen via MHC class II molecules. What is the significance of this presentation?

Accepted Answer

It activates T helper cells to initiate an adaptive immune response.

Answer

It triggers apoptosis in the macrophage.

Answer

It inhibits the innate immune response.

Answer

It directly kills the pathogen.