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': 'β - blocker toxicity is treated by \nSelect and explain. \nA. Atropine, B. Insulin, C. Fomepizole, D. Glucagon', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Glucagon is used to treat Overdose of\xa0β - blockers\nFomepizole is used to Ethylene Glycol poisoning.', 'role': 'assistant'}]