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': 'Inappropriate ADH secretion is characterised by the following except - \nSelect and explain. \nA. Hypo-osmolar urine, B. Water intoxication, C. Expanded fluid volume, D. Hypomagnesemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: SIADH there is decrease in serum osmolality with inappropriate increase in urine osmolalitye.', 'role': 'assistant'}]