Which of the Following are Soluble Mediators and Activators for T

Question

Which of the following are soluble mediators and activators for T lymphocytes and B cells?
A) IL-2
B) IL-4
C) IL-5
D) IL-2, IL-4, and IL-5

Accepted Answer

IL-2, IL-4, and IL-5 are all soluble mediators and activators for T lymphocytes and B cells. IL-2 promotes T cell proliferation and differentiation, while IL-4 and IL-5 promote B cell proliferation and differentiation.