This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory, Subject name: Medicine
[{'content': 'All are used in bronchial asthma, except - \nSelect and explain. \nA. Salbutamol, B. Morphine, C. Aminophyltine, D. Steroid', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Morphine o Fluticasone and Budesonide are inhaled corticosteroids and potent anti-inflammatory medications in asthmaMedications in Bronchial AsthmaBronchodilatorsAntiinflammatory (Controllers)Beta 2 SvmoathomimeticsCorticosteroids finhalationalio Salbutamolo Beclomethasoneo Terbutalineo Budesunideo Bambuterolo Fluticasoneo Sal mete rolo Flunisolideo Formeterolo Ciclesonideo EphedrineCorticosteroids (systemic)o Methvlxonthineso Prednisoone; Hydrocortisone e/co TheophyllineMast cell stabilizerso Aminophyllineo Sodium cromoglycate (nedoevil sodium)Articholinergicso Ketoiifeno Ipratropium bromideLeukotriene antagonisto Tiotropium bromideo Montelukast o Zafirlukast etc", 'role': 'assistant'}]