CD4-positive helper T cells function by:
A) direct cytotoxic action.
B) facilitating all immune system activity.
C) producing immunoglobulins.
D) inactivating allergens.

Question

Quizplus · Accepted Answer

CD4-positive helper T cells are crucial for the immune system as they help activate and direct other immune cells, including B cells to produce antibodies, and cytotoxic T cells to kill infected target cells. They do not directly kill pathogens or produce immunoglobulins themselves.

CD4-Positive Helper T Cells Function By