Immune System
Which is not an antigen-presenting cell (or APC)?

Polymorphonuclear leukocyte (or PMN)
B cell
Dendritic cell
All of these

ANSWER DOWNLOAD EXAMIANS APP

Immune System
Which of the following is correct for CD8 T cells?

CD8 T cells can kill individual virus-infected cells in a contact dependent fashion
CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells
In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only
CD8 T cells only recognize virus-infected cells

ANSWER DOWNLOAD EXAMIANS APP