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 highest percentage of glomerular filtrate reabsorption occurs in: \nSelect and explain. \nA. Bowman's capsule, B. Proximal tubule, C. Thick ascending limb of loop of Henle, D. Distal tubule", 'role': 'user'}, {'content': "Answer: B \nExplanation: Under all circumstances most of the filtrate is reabsorbed in the proximal tubule. Normally, this reabsorption amounts to about two-thirds of the sodium and water filtered. Normally 60% of Na+ is reabsorbed in the proximal tubule, primarily by Na-H exchange. Ref: Ganong's review of Medical Physiology, 23rd Ed, page 648-650", 'role': 'assistant'}]