Which cytokines are endogenous pyrogens?
A Interleukin-4 (IL-4), IL-12, colony-stimulating factor, and interferon-alpha (IFN-a)
B Interleukin-3 (IL-3), IL-10, and IL-18
C Interleukin-1 (IL-1), IL-6, tumor necrosis factor-alpha (TNF-a), and interferon-gamma (IFN-g)
D Interleukin-2 (IL-2), IL-8, and interferon-beta (INF-B)