This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: D.O.C, Subject name: Pharmacology
[{'content': 'Alprostadil is indicated in - \nSelect and explain. \nA. Erectile dysfunction, B. PPH, C. Glaucoma, D. Cervical ripening', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Erectile dysfunction o Alprostadil(PGE1) is commonly used for -i) To maintain the patency of ductus arteriosus.ii) Erectile dysfunction.", 'role': 'assistant'}]