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
which chemical mediator is an arachidonic acid metabolite produced by COX pathway 
Select and explain. 
A. LXA4, B. LXB4, C. SHETE, D. PGH2
D: PGH2
Answer: D: PGH2 
Explanation: None