This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'Na &/or K+ is/are involved in mechanism of action of which of the following receptor(s)? \nSelect and explain. \nA. Dopamine, B. Nm receptor, C. Nn receptor, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The sodium-potassium pump is found in many cell (plasma) membranes. Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are impoed into the cell Ref: guyton and hall textbook of medical physiology 12 edition page number:34,35,36', 'role': 'assistant'}]