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': 'Potassium reabsorption in Kidney occur - \nSelect and explain. \nA. Paly in PCT and DCT, B. Paly in PCT and DCT, C. Coupled with sodium ions, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. None', 'role': 'assistant'}]