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': 'The drug NOT used in acute asthma is- \nSelect and explain. \nA. Salbutamol, B. Ipratropium, C. Monteleukast, D. Hydrocoisone', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Monteleukast Monteleukast and zafirleukast are indicated for prophylactic therapy of mild to moderate asthma as an alternative to inhaled coicosteroids. However they are not used to terminate acute attack of asthma.", 'role': 'assistant'}]