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': 'Initial treatment of tumor lysis syndrome is - \nSelect and explain. \nA. Rasburicase + Hydration + K binder + Urinary alkalization, B. Allopurinol + Hydration + K binder + alkalization, C. Both rasburicase + Allopurinol + Hydration and K binder, D. Hydration alone is sufficient', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Rasburicase + Hydration + K binder + Urinary alkalizationAllopurinol is used in prophylaxis in low and intermediate risk. Examinar is asking about treatment, in which rasburicase is used.', 'role': 'assistant'}]