Once a macrophage ingests a foreign antigen,the antigen is presented in which of the following manners?
A) embedded directly in the cell membrane of the macrophage
B) embedded in the membrane of a transport vesicle and released via exocytosis
C) attached to a receptor protein, forming a receptor-antigen complex
D) attached to MHC, forming a MHC-antigen complex
E) none of these

Question

Quizplus · Accepted Answer

Once a macrophage ingests a foreign antigen, the antigen is attached to MHC (major histocompatibility complex) molecules and presented on the surface of the macrophage as a MHC-antigen complex. This complex can then be recognized by T cells, leading to an immune response.

Once a Macrophage Ingests a Foreign Antigen,the Antigen Is Presented