Asked by: Yeudiel Korfgen
asked in category: General Last Updated: 2nd March, 2020

How do T cells become activated quizlet?

2) In order for a helper T cell to become activated, it must first encounter a macrophage displaying the antigen on its major histocompatibility complex (MHC) proteins; if the antigen fits the helper T cell's antigen receptor, it becomes activated and stimulates B cells to produce antibodies.

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In this manner, how do T cells become activated?

Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.

One may also ask, at which anatomical sites do naive T cells encounter antigen? 1) Naive T cells encounter antigen and start the primary immune response in a secondary lymphoid tissue. 2)Lymph nodes: The pathogen and dendritic cells that have ingested the pathogen are carried to the nearest lymph node in afferent lymph.

what is the function of T cells quizlet?

promote the activity of other immune cells in the acquired immune response.

When activated can help activate B cells?

It is likely that, as with any pathogen antigen, concentrations of TI-1 antigens are low during the early stages of infections in vivo; thus, only antigen-specific B cells are likely to be activated and these will produce antibodies specific for the TI-1 antigen.

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