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: Anaesthesia
[{'content': 'Abnormal plasma choline esterase produces apnea due to which of the following – \nSelect and explain. \nA. Halothane, B. Lignocaine, C. Suxamethonium, D. Isoflurane', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sch can cause dangerous hyperkalemia in patients with extensive soft tissue & muscle injury (crush injury) which may cause cardiac arrest.', 'role': 'assistant'}]