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: Medicine
[{'content': 'All are true of cerebral salt wasting except \nSelect and explain. \nA. Increased urine output, B. Low intravascular volume, C. Low uric acid in serum, D. Decreased vasopressin levels', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]