This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: COPD and Asthma, Subject name: Medicine
[{'content': 'Drug of choice for the treatment of type 2 Brittle Asthma is? \nSelect and explain. \nA. b-adrenergic agonist, B. Inhaled coicosteroids, C. Antileukotrines DM, D. Subcutaneous epinephrine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Type 2 Brittle asthma, are symptom-free patients developing sudden onset acute attack of asthma requiring mechanical ventilation or even death. These patients should ideally keep an auto-injector of epinephrine. Type 1 Brittle asthma is characterized by >40% variation in P.E.F.R for >50% of the time. It is managed with L.A.B.A + high dose inhaled coicosteroids and oral steroids. Long-term continuous subcutaneous infusion of P2 agonists like terbutaline is also given.', 'role': 'assistant'}]