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': 'To prevent exercise-induced bronchial asthma drug used is : \nSelect and explain. \nA. Sodium cromoglycate, B. Ipratropium bromide, C. Terbutaline, D. Epinephrine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mast cell stabilizers like cromoglycate and nedocromil are used to prevent exercise-induced asthma. However, corticosteroids are preferred for this indication.', 'role': 'assistant'}]