Immune System Flashcards
1
Q
What type of T cells are CD4
A
Helper
2
Q
What type are CD8
A
Cytotoxic
3
Q
What are the self antigens
A
MHC
4
Q
Where are MHC1 found
A
All cells
5
Q
Where are MHC2 found
A
Dendritic cells
APCells
6
Q
MHC1 present
A
Endogenous proteins
7
Q
MHC2 cells present
A
Exogenous proteins
8
Q
Where are MHC 1 loaded
A
ER
9
Q
Where are MHC2 loaded
A
Phagolysosome
Invariant protein prevents binding at ER
10
Q
When are T cells activated
A
When TLR binds to MHC
11
Q
What cell recognizes MHC1
A
CD8
12
Q
What cells recognize MHC2
A
CD4
13
Q
What and when interacts directly with B cells
A
Helper T
When have antigens in MHC2
Stimulate proliferation
14
Q
What does T cell stimulate B cell to do
A
Colonial expansion
Memory helper T made
15
Q
What do cytotoxic t cells look for
A
Antigens in MHC1 Virus Cancer Hiding bacteria Transfusion
16
Q
What do T cells release
A
Perforin
Granszyme
17
Q
What does Perforin do
A
Causes pore
Lysis
