Appendicitis Symptoms and Progression Quiz

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Questions and Answers

What is the main function of T cells in the adaptive immune system?

T cells play a central role in the adaptive immune system.

Where do T cells mature, differentiate, and develop their specific functions?

T cells mature, differentiate, and develop their specific functions in the thymus gland.

Describe the process of T cell activation.

T cell activation involves antigen recognition by a TCR with CD4 or CD8 proteins, followed by co-stimulation.

What are the two signals required for T cell activation?

The first signal is antigen recognition by a TCR with CD4 or CD8 proteins, and the second signal is co-stimulation. Signup and view all the answers

How do B cells transform into antibody-secreting plasma cells?

B cells transform into antibody-secreting plasma cells by binding to activated helper T cells. Signup and view all the answers

What is the difference between active and passive immunity?

Active immunity involves the production of antibodies, while passive immunity involves the transfer of pre-formed antibodies. Signup and view all the answers

How are antibodies acquired in passive immunity?

Antibodies in passive immunity are acquired through transfer from another source, either naturally (such as from the mother) or artificially (such as through immune serum). Signup and view all the answers

What is the role of Class II MHC proteins in the immune response?

Class II MHC proteins help B cells present antigen fragments to activated helper T cells. Signup and view all the answers

Why are T cells named after the thymus gland?

T cells are named after the thymus gland because it is where they mature, differentiate, and acquire their specific functions. Signup and view all the answers