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

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

ANSWER DOWNLOAD EXAMIANS APP

Immune System
Which of the following statements is false regarding B cells?

B cells can undergo class switching and produce a different antibody type
B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow
B one marrow stem cells migrate to the thymus and develop into B cells
B cells synthesize antibodies and put them on their cell surface

ANSWER DOWNLOAD EXAMIANS APP