IMG53 (3)

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Basic Immunology

1 Celi Adhesion Moleeules (CAMs) involved in the early stage of leukocyte rolling are:

a.    Integrins

b.    Selectins ę. Cadhergins

d. Immunoglobulin Superfamily CAMs

2. The antigen-binding region of TCR is formed by the folding of

a. Va and Vp chains. b Va, Vp, and CD3 chains.

c.    Va and Vp2-microglobulin chains.

d.    Vy and Va chains.

e.    V_L and V_H chains.

3. Pro-inflomatory cytokines are:

a.    IL-6

b.    IL-4

c.    TGF Beta

d.    IL-10

4. The amount of diversity in TCR generated within one individual by somatic recombination

a.    is higher than BCR diversity.

b.    is about the same as for BCR diversity. ę. is lower than BCR diversity.

d. is lower than Class I MHC diversity.

§. is lower than Class II MHC diversity.

5. CD8 Is a co-receptor on T cells that binds

a. CD3.

b endogenous antigen peptide. ę. the constant region of Class I MHC.

d.    the constant region of TCR.

e.    the variable region of Class I MHC.

6. Adaptive cell-mediated immunity involves the generation of activated antlgen-specific effector

^rol -Ol UJ TM q*|

I antibodies.

B cells. cytokines. macrophages T celis.