This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Physiology
[{'content': 'Nitrogen narcosis is caused due to: \nSelect and explain. \nA. Nitrogen inhibits dismutase enzyme, B. Increase production of nitrous oxide, C. Increased solubility of nitrogen in nerve cell membrane, D. Decrease in oxygen free radicals', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Increased solubility of nitrogen in nerve cell membrane(Ref: Indu Khurana, p.361)Nitrogen narcosis occurs due to increased solubility of nitrogen in nerve cell membrane', 'role': 'assistant'}]