This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Adenoids hypertrophy with symptoms treatment is all except: \nSelect and explain. \nA. Nasal decongestants, B. Antibiotics, C. b2 agonists, D. adenoidectomy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (c) b2 agonists(Ref. Scott Brown, Vol 2; 288)b2 agonists (salbutamol/terbutaline) have no role in respiratory obstruction due to adenoids. They are used in lower airway obstruction diseases, e.g. asthma, etc.', 'role': 'assistant'}]