In a bacterial infection,what activates helper T cells?

Name: In a bacterial infection,what activates helper T cells?
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Helper T cells are activated by the display of antigens by macrophages. When macrophages phagocytize bacteria, they break down the bacteria and present the antigens on their surface along with MHC class II molecules. Helper T cells recognize these antigen-MHC class II complexes and become activated, leading to a cascade of immune responses.

In a Bacterial Infection,what Activates Helper T Cells