This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia, Subject name: Pharmacology
[{'content': 'A child presents with bladder exstrophy and chronic renal failure. The muscle relaxant of choice to be used during surgery of exstrophy in this child is: \nSelect and explain. \nA. Atracurium, B. Mivacurium, C. Pancuronium, D. Rocuronium', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (A) Atracurium(Ref: Katzung 11th/e p453, KDT 8th/e p380)Atracurium is eliminated by Hoffman's elimination i.e. it does not require liver or kidney. It is the muscle relaxant of choice in hepatic and renal failure.", 'role': 'assistant'}]