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: Pharmacology
[{'content': 'Shoest acting muscle relaxant - \nSelect and explain. \nA. Pancuronium, B. Atracurium, C. Mivacurium, D. Vecuronium', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Mivacurium o Mivacurium is the shoest acting competitive blockers.", 'role': 'assistant'}]