Which markers are found on all nucleated cells?

MHC class II molecules bind to _________ and trigger __________ .

a. endogenous antigens; cytotoxic T cells

b. exogenous antigens; cytotoxic T cells

c. antibodies; B cells

d. endogenous antigens; helper T cells

e. exogenous antigens; helper T cells

The nearby image is a transmission electron micrograph of a dendritic cell. Indicate where a scientist could find molecules of MHCI and MHC II. Label a pseudopod and a vesicle.

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Which cells express MHC class I molecules in a patient?

a. Red blood cells

b. Antigen-presenting cells only

c. Neutrophils only

d. All nucleated cells

e. Dendritic cells only

Tc cells recognize epitopes only when the latter are held by:

a. MHC proteins

b. B cells

c. Interleukin 2

d. Granzyme

MHC class II molecules are found on:

Once an MHC II molecule on an APC presents an antigen:

If an effector CD4 cell encounters an antigen presented on a MHC Class II molecule, how would it respond?

Complete the table to indicate which MHCs are present for each cell.