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: Pathology
[{'content': 'Which intervention do you plan to include with a patient who has renal calculi? \nSelect and explain. \nA. Maintain bed rest, B. Increase dietary purines, C. Restrict fluids, D. Strain all urine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All urine should be strained through gauze or a urine strainer to catch stones that are passed. The stones are then analyzed for composition.\n\nOption A: Ambulation may help the movement of the stone down the urinary tract.\nOption C: Encourage fluid to help flush the stones out.', 'role': 'assistant'}]