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
Potassium reabsorption in Kidney occur - 
Select and explain. 
A. Paly in PCT and DCT, B. Paly in PCT and DCT, C. Coupled with sodium ions, D. None
D: None
Answer: D: None 
Explanation: D i.e. None