Exogenous Antigen Is Usually Taken Up by Antigen-Presenting Cells Through

question 32

Multiple Choice

Exogenous antigen is usually taken up by antigen-presenting cells through phagocytosis,processed,and presented to T cells on their surface by these.

• A)MHC I molecules
• B)MHC II molecules
• C)interleukin 2 molecules
• D)tumor necrosis factor alpha
• E)interferon gamma

---

Definitions:

Negative Feedback

An adjustment process in which an initiating signal triggers a response that counterbalances the original effect, ensuring stability of the regulated substance.

Blood Vessels

Hollow channels facilitating blood flow throughout the body, which include arteries, veins, and capillaries.

Excess Heat

Excess Heat refers to the additional heat energy in a system or environment beyond what is considered normal or comfortable, often requiring mechanisms for dissipation or control.

Oxytocin

A hormone and neurotransmitter involved in childbirth, lactation, and emotional bonding.