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: Surgery
[{'content': "Treatment of thyroid storm includes all, EXCEPT ? \nSelect and explain. \nA. Propranolol, B. Radioactive iodine, C. Hydrocoisone, D. Lugol's iodine", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Radioactive iodine Thyroid storm is a life threatening exacerbation of thyrotoxicosis. Radioactive iodine is itself a precipitating cause of thyrotoxic crisis. Management is described in previous question. Lugol's iodine is 5% iodine in 10% Potassium iodide solution.", 'role': 'assistant'}]