Question

multiple choice question
self proteins, such as interferon and interleukins, that induce fever are called ______ pyrogens.

• exogenous
• endogenous

Explanation:

Endogenous pyrogens are substances produced within the body (like self - proteins such as interferon and interleukins) that can induce fever. Exogenous pyrogens come from outside the body (e.g., bacteria, viruses). Since the question is about self - proteins (produced inside the body) inducing fever, the correct term is endogenous.

Answer:

B. endogenous