This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'The following drugs can be used for the management of status asthmaticus except- \nSelect and explain. \nA. Magnesium sulfate, B. Montelukast, C. Coicosteroid, D. Adrenaline', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Monteleukast not used in status asthamaticus. high concentration of oxygen , The mainstay of treatment are high doses of SABA given either by nebulizer or a MDI with a spacer. ( IV b2-agonists) may be added. refractory to inhaled therapies, a slow infusion of aminophylline may be effective Magnesium sulfate given intravenously or by nebulizer is effective when added to inhaled b2-agonists Prophylactic intubation may be indicated for impending respiratory failure. Ref Davidson edition23rd pg 570', 'role': 'assistant'}]