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: Pharmacology
[{'content': 'Prostaglandin analogs have therapeutic utility in the following EXCEPT : \nSelect and explain. \nA. Palliative treatment of patent ductus arteriosus, B. Pulmonary hypertension, C. Impotence, D. Inflammatory bowel disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Prostaglandin analogs are useful for\n\nPulmonary hypertension\nImpotence\nPeptic ulcer\nBronchial asthma\nInflammatory bowel disease\n\nRemember, For PDA, indomethacin (drug decreasing PGs) is used.', 'role': 'assistant'}]