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': 'Features of tumor lysis syndrome are: \nSelect and explain. \nA. Hypocalcemia, B. Hypophosphatemia, C. Alkalosis, D. Hypokalemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Hypocalcemia): Tumor Lysis syndrome is associated with Hypocalcemia. Tumor Lysis Syndrome is also associated with Hyperphosphatemia, Hyperkalemia and Acidosis.', 'role': 'assistant'}]