This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Cytokine that have pyrogenic activity is: 
Select and explain. 
A. IL-6, B. IL-8, C. TGF beta, D. IL-3
A: IL-6
Answer: A: IL-6 
Explanation: Ref. Robbins Pathology. 9th edition. Page. 99
 
Easy and a straight forward question.
Most important interleukins are listed below