This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, 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: Cerebral salt-wasting syndrome (CSWS) is a rare endocrine condition featuring a low blood sodium concentration and dehydration in response to injury (trauma) or the presence of tumors in or surrounding the brain. In this condition, the kidney is functioning normally but excreting excessive sodium. Ref Davidson 23rd edition pg 745', 'role': 'assistant'}]