Senescence of the immune system makes older people more subject to cancer and infectious disease because of a decline in
A)alpha and beta globulins.
B)red blood cells and platelets.
C)complement proteins.
D)prothrombin and fibrinogen.
E)antigen-presenting cells and helper T cells.

Question

Quizplus · Accepted Answer

Senescence of the immune system leads to a decline in antigen-presenting cells and helper T cells, which are crucial for initiating and regulating immune responses, making older individuals more susceptible to cancer and infectious diseases.

Senescence of the Immune System Makes Older People More Subject