B-cell proliferation is triggered by IL-2, IL-4, and IL-5. Each of these cytokines is secreted by activated TH cells thus their action is:

B-cell proliferation is triggered by IL-2, IL-4, and IL-5. Each of these cytokines is secreted by activated TH cells thus their action is:

B-cell proliferation is triggered by IL-2, IL-4, and IL-5. Each of these cytokines is secreted by activated TH cells thus their action is:











A. antagonistic.
B. cascade inducible.
C. pleiotropic.
D. redundant.
E. synergistic.














Answer: D