This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Asthma, Subject name: Pharmacology
[{'content': 'Leukotriene antagonist is used as \nSelect and explain. \nA. Anti neoplastic, B. Anti asthmatic, C. Anti inflammatory, D. Tocolytic', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Anti asthmatic Drugs used in asthmaBronchodilatorsDrugs reducing inflammation Leukotriene antagonistsMast cell stabilizers CorticosteroidsAnti-IgE antibodya)B2Sympathomimetics* Montelukast* Zafirlukast* Sodium cromoglycate* Ketotifena)Systemic* Hydrocortisone* Prednisolone* Omalizumab* Salbutamol* Bambuteral* Formoterol* Terbutaline* Salmeterol* Ephedrineb)Inhalation* Beclomethasome* Budesonide* Fluticasone* Flunisolide* Ciclesonideb)Methylxanthines* Theophylline* Doxophylline* Aminophyllinec)Anticholinergics* Ipratropium* Tiopratropium* Selective PGE4 inhibitors are under clinical trial as antiasthma drugs. These are cilomilast, roflumilast and tofimilast.", 'role': 'assistant'}]