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: Physiology
[{'content': 'The sodium-potassium pump is an example of \nSelect and explain. \nA. Active transport, B. Passive transport, C. Facilitated diffusion, D. Osmosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In Na+– K+ exchange, 3Na+ goes out and 2K+ goes into the cell with the utilization of ATP. \nHence it is a primary active transport. Due to the net flow of Na+ outwards, there is a potential difference that occurs.', 'role': 'assistant'}]