Multiple Choice
Helper T cells respond to antigens from _____ and cytotoxic T cells respond to antigens from _____.
21. The Immune System
Review of Cytotoxic vs Helper T Cells
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What are the basic functions of helper T cells?
A
Suppressing the immune response
B
Activating B cells to secrete antibodies
C
Producing antibodies
D
Directly killing infected host cells
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Helper T cells, also known as CD4+ T cells, play a crucial role in the immune system by coordinating the immune response.
One of their primary functions is to activate B cells. When helper T cells recognize antigens presented by antigen-presenting cells, they release cytokines that stimulate B cells to produce antibodies.
Helper T cells do not directly produce antibodies themselves; instead, they facilitate the activation of B cells, which are responsible for antibody production.
Helper T cells do not directly kill infected host cells. This function is typically performed by cytotoxic T cells, also known as CD8+ T cells.
While helper T cells are involved in regulating the immune response, their main role is not to suppress it but to enhance and coordinate the activity of other immune cells, including B cells and cytotoxic T cells.
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