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
All are used in bronchial asthma, except - 
Select and explain. 
A. Salbutamol, B. Morphine, C. Aminophyltine, D. Steroid
B: Morphine
Answer: B: Morphine 
Explanation: 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