Detection of an Antigen Activates ____ That are Required to Activate

Question

Detection of an antigen activates ____ that are required to activate the B cells.
A) Rh+ blood cells
B) T4 helper cells
C) red blood cells
D) killer T cells
E) memory cells

Accepted Answer

T4 helper cells are required to activate B cells upon detection of an antigen. They release cytokines that stimulate B cells to proliferate and differentiate into antibody-secreting plasma cells.