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
To prevent exercise-induced bronchial asthma drug used is : 
Select and explain. 
A. Sodium cromoglycate, B. Ipratropium bromide, C. Terbutaline, D. Epinephrine
A: Sodium cromoglycate
Answer: A: Sodium cromoglycate 
Explanation: Mast cell stabilizers like cromoglycate and nedocromil are used to prevent exercise-induced asthma. However, corticosteroids are preferred for this indication.