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': 'Drug used in the treatment of Scorpion sting \nSelect and explain. \nA. Acetaminophen, B. Diazepam, C. Promethazine, D. Prazosin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Prazosin is\xa0α blocker used in the treatment of Scorpion sting.', 'role': 'assistant'}]