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': "Which of the following muscle relaxant undergo Hoffman's degradation? \nSelect and explain. \nA. Atracurium, B. Succinylcholine, C. Gallamine, D. Pancuronium", 'role': 'user'}, {'content': "Answer: A \nExplanation: Atracurium is an intermediate acting nondepolarizing neuromuscular blocker which is inactivated in the plasma by spontaneous nonenzymatic degradation (Hoffman's elimination) in addition to that by cholinesterase.", 'role': 'assistant'}]