Acquired Immunity Flashcards
1
Q
Location of T lymphocytes
A
- Found in the para cortical areas of the lymph nodes
- Found in the peri-areolar sheath of the spleen
2
Q
T cells have
A
1.TCR
2. CD3
3. CD4
4. CD28
3
Q
CD 4
A
Binds to MHC Molecules
4
Q
CD 4
A
Binds to MHC Molecules
5
Q
CD28
A
Binds to CD80 and CD86 on the antigen presenting cells
6
Q
CD28
A
Binds to CD80 and CD86 on the antigen presenting cells
7
Q
B cells differ from T cells in that they lack
A
CD3 ams CD4
8
Q
B cells differ from T cells in that they lack
A
CD3 and CD4
9
Q
T Cell helper 1 produces
A
- Il2
- Interferon gamma
10
Q
Functions of Il2 and interferon gamma
A
- Opsonisation
- Macrophage activation
- Delay hypersensitivity
- Complement fixation
11
Q
CD4 also produces
A
IL 4, IL5 and IL13
12
Q
Functions of IL4, and IL13
A
Help in the synthesised of IgE
13
Q
Function of IL5
A
Helps in eosinophil activation
