This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal Tubular Reabsorption and Secretion, Subject name: Physiology
[{'content': 'Na+ reabsorption is maximum in - \nSelect and explain. \nA. PCT, B. Loop of Henie, C. DCT, D. Collecting duct', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., PCT", 'role': 'assistant'}]