Major B+T Cell Fx

Question 1

B and T cells are what type of immunity

Answer 1

Adaptive

Question 2

B cells are what branch of adaptive immunity

Answer 2

Humoral

Question 3

How does a B Cell work

Answer 3

Recognizes and presents the antigen, somatic hypermutation happens to ensure ID of antigen, production of Antibody/Ig after they become plasma cells

Question 4

What retains the ability to ID infections?

Answer 4

B memory cells

Question 5

T cells are what branch of immunity

Answer 5

Cell mediated

Question 6

T cell mechanisms

Answer 6

Th1+2 help B cells make antibodies by being part of costimulation
Also help them release the cytokines to recruit phagocytes and activate other WBC

Question 7

T helper cells have what MHC/CD

Answer 7

T helpers have CD4 and are MHC2

Question 8

Cytotoxic T cells have what CD/MHC

Answer 8

CD8 and MHC1

Question 9

What type of hypersensitivity are T cells involved in

Answer 9

Type 4 hypersensitivity, or DTH (Delayed Type Hypersensitivity)

Question 10

T cells can affect transplants how

Answer 10

By causing acute and chronic organ rejection

Question 11

How do Tcytotoxic cells work

Answer 11

They use the same pathway as NK cells (perforin>granzyme>DNA>BAX>BCL2 removal from mitochondria>cytochrome C and caspase destruction