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': 'Maximum absorption of water takes place in \nSelect and explain. \nA. Proximal convoluted tubule, B. Distal convoluted tubule, C. Collecting duct, D. Loop of Henle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ascending limb of the loop of Henle and an early segment of distal tubule is impermeable to water. Maximum of filtered water (60-70%) is reabsorbed in the proximal tubule, with or without Vasopressin. This is independent of the fluid and electrolyte status of the body.', 'role': 'assistant'}]