This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rhinitis, Subject name: ENT
[{'content': 'All are implicated in aetiology of atrophic rhinitis except: \nSelect and explain. \nA. Surgical excessive tissue destruction, B. Granulomatous conditions, C. DNS, D. Strong hereditary factors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (c) DNS(Ref. Cummings, 6th ed., 695)In DNS there occurs physiologic hypertrophy of the nasal turbinates on the opposite side of deviation.', 'role': 'assistant'}]