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: Pharmacology
[{'content': 'Liothyronine is the drug of choice in treatment of: \nSelect and explain. \nA. Myxedema coma., B. Cretinism, C. Iodine deficiency Goiter., D. Non resectable causes of papillary thyroid carcinoma.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Myxoedema coma is an emergency condition; hence faster acting T3 (Liothyronine) is preferred over thyroxine (T4). For the other indications thyroxine is preferred because of longer duration of action.', 'role': 'assistant'}]