This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Physiology
[{'content': 'Most of the ATP generated in nerve cells is utilized to energize the: \nSelect and explain. \nA. Na-Ca exchanger, B. H-ATPase in the cell membrane, C. Na-K ATPase, D. synthesis of proteins', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Na-K ATPaseA large fraction of ATP (nearly 70%) synthesized in neurons is used to energize the Na-K ATPase and maintain ion gradients across the nerve cell membrane.', 'role': 'assistant'}]