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': 'Not a feature of maintenance phase of acute kidney injury \nSelect and explain. \nA. Hyperuricemia, B. Hypermagnesemia, C. Hypernatremia, D. Hypercalcemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hypercalcemia not a feature of maintenance phase.\nHypocalcema Occurs in\xa0maintenance phase.', 'role': 'assistant'}]