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: Unknown
[{'content': 'Which drug can be eliminated by nonenzymatic degradation - \nSelect and explain. \nA. Atracurim, B. Pancuronium, C. Mivacurium, D. Dexacurium', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Atracurium o The unique feature of atracurium is inactivation in plasma by spontaneous nonenzymatic degradation (Hofman elimination) in addition to that by alkaline ester hydrolysis o Consequently its duration of action is not altered in patients with hepatic/renal insufficiency or hypodynamic circulation - Preferred muscle relaxant for such patients as well as for neonates and the elderly o Atracurium is metabolised to laudanosine that is responsible for seizures.", 'role': 'assistant'}]