This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'Which of the following statement regarding water reabsorption in the tubules? \nSelect and explain. \nA. The bulk of water reabsorption occurs secondary to Na+ reabsorption, B. Majority to facultative reabsorption occurs in proximal tubule, C. Obligatory reabsorption in ADH dependent., D. 20% of water is always reabsorbed irrespective of water balance', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Water reabsorption occurs along with sodium reabsorption.Ref: Ganong&;s review of medical physiology; 24th edition; page no: 685', 'role': 'assistant'}]