This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non-depolarising Neuromuscular Blocking Agents, Subject name: Anaesthesia
[{'content': 'Shortest acting non-depolarising neuromuscular blocker- \nSelect and explain. \nA. Mivacurium, B. Pancuronium, C. Succinylcholtne, D. Rapacurium', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mivacurium", 'role': 'assistant'}]