Reference no: EM133261863

1. Where does the immune response to foreign antigen in the tissue mainly occur?

lymph nodes

blood

skin

bone marrow

2. Class II molecules bind to what kind of peptides?

native peptides

any of the above

processed exogenous

processed endogenous

3. The activation unit of the classic complement pathway involves

Group of answer choices

C4, C2, C3

C1, C4, C2

C5, C6, C7

C1, C2, C3

4. A lymphocyte exhibits the following markers: CD19, IgM, IgD. What is its likely identity?

double-positive T cell

mature B cell

immature B cell

double-negative T cell