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': 'Action of scoline is potentiated by– \nSelect and explain. \nA. Nitrous oxide, B. Sevoflurane, C. Isoflurane, D. Halothane', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The mean dose of scoline producing 95% blockade (ED95) at the adductor pollicis is 0.30 - 0.35 mg/kg with opioid-nitrous oxide anesthesia. In the absence of nitrous oxide, the ED 95 is increased to 0.5 mg/kg.', 'role': 'assistant'}]