This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'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: Sodium cromoglycate (Mast cell stabilizing agent)Inhibit degranulation of mast cells, thereby preventing the release of the chemical mediators of anaphylaxis.Improves lung function, reduce symptoms, and lower airway activity in persons with asthma.Most effective in patients who have either seasonal disease or perennial airway stimulation.Steroids have no role in exercise-induced asthma.(Refer: Harrison's Principles of Internal Medicine, 18th edition, pg no: 2106-2115)", 'role': 'assistant'}]