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: Pathology
Chemical mediators which cause fever 
Select and explain. 
A. IL1, B. TNF, C. Prostaglandins, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Chemical mediators like IL1, TNF and prostaglandins cause fever.