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: Pediatrics
[{'content': 'All are used in the acute attack of asthma in a 4-year-old child except – \nSelect and explain. \nA. Theophylline, B. Corticosteroids, C. Sedatives, D. Salbutamol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Treatment of acute exacerbation of asthma\n\nAcute exacerbation may be graded as\n\n\nMild\nModerate\xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0\xa0\nSevere\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nLife-threatening (status epilepticus).\n\nGrading of Severity of Acute Asthma', 'role': 'assistant'}]