How do helper T cells (CD4+) aid the immune response?
Understand the Problem
The question is asking about the role of helper T cells, specifically CD4+ cells, in the immune response. This involves understanding their function in activating other immune cells and facilitating the body's defense against pathogens.
Answer
Helper T cells aid immunity by activating B cells, macrophages, and cytotoxic T cells.
Helper T cells (CD4+) are essential for adaptive immunity. They activate B cells to secrete antibodies, stimulate macrophages to destroy ingested microbes, and activate cytotoxic T cells to kill infected cells.
Answer for screen readers
Helper T cells (CD4+) are essential for adaptive immunity. They activate B cells to secrete antibodies, stimulate macrophages to destroy ingested microbes, and activate cytotoxic T cells to kill infected cells.
More Information
Helper T cells are critical in organizing the immune response by releasing cytokines that aid in the activation and function of other immune cells.
Tips
A common mistake is to assume they directly kill pathogens; rather, they activate and support other immune cells.
Sources
- Helper T cells: Overview & Function - Cleveland Clinic - my.clevelandclinic.org
- CD4+ T cells: Function, types, and more - MedicalNewsToday - medicalnewstoday.com
- T helper cell - Wikipedia - en.wikipedia.org
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