Helper T cells
A) prevent an antigen from attaching to a human cell.
B) trigger agglutination.
C) trigger the complement cascade.
D) attract neutrophils, natural killer cells, and macrophages.

Question

Quizplus · Accepted Answer

Helper T cells release chemical signals called cytokines that attract neutrophils, natural killer cells, and macrophages to the site of infection or injury. They do not prevent antigens from attaching to human cells, trigger agglutination, or trigger the complement cascade.

Helper T Cells