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': 'Which of the following Prostaglandin analogue is used in transposition of great vessels to keep ductus arterious patent? \nSelect and explain. \nA. Misoprostol (PGE1), B. Bimatoprost (PGF2), C. Alprostadil (PGE1), D. Dinoprostone (PGE2)', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alprostadil (PGE1) and Epoprostenol (PGI2) are used in TGA to keep Ductus arteriosus patent.', 'role': 'assistant'}]