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': 'In a child with exercise-induced asthma, which is done – \nSelect and explain. \nA. Prophylaxis with steroids, B. Prophylaxis with Beta, agonist, C. Prophylaxis with theophyline, D. Breathing excercise', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Treatment of exercise-induced asthma \n\nExercise-induced bronchospasm should be anticipated in all asthma patients.\nTreatment immediately prior to vigorous activity or exercise is usually effective.\nTreatment is -\n\n\nShort-acting inhaled β-agonist plus cromolyn. or\nShort-acting inhaled β-agonist plus nedocromil.', 'role': 'assistant'}]