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': 'In a young patient who had extensive soft tissue and muscle injury, which of these muscle relaxants used for endotracheal intubation might lead to cardiac arrest – \nSelect and explain. \nA. Atracurium, B. Suxamethonium, C. Vecuronium, D. Pancuronium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sch can cause dangerous hyperkalemia in patients with extensive soft tissue & muscle injury (crush injury) which may cause cardiac arrest.', 'role': 'assistant'}]