This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'In the inflammatory process the prostaglandins E1and E2 causes \nSelect and explain. \nA. Vasodilation, B. Increased gastric output, C. Decreased body temperature, D. Vaso constriction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ref Robbins 9/e p85', 'role': 'assistant'}]