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: Medicine
All of the following are used in Bronchial Asthma, Except: 
Select and explain. 
A. Salbutamol, B. Aminophylline, C. Steroids, D. Morphine
D: Morphine
Answer: D: Morphine 
Explanation: Answer is D (Morphine): Morphine is not used in the treatment of Bronchial Asthma. Bronchodilators (Salbutamol; Aminophylline) and Coicosteroids (Systemic/inhalational)form the mainstay for treatment of Bronchial Asthma