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
In acute inflammation pain is mediated by ? 
Select and explain. 
A. Serotonin, B. Histamine, C. Bradykinin, D. Cytokines
C: Bradykinin
Answer: C: Bradykinin 
Explanation: Ans. is 'c' i.e., Bradykinin