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: Pathology
[{'content': 'Long term complication of bronchopulmonary dysplasia is -a) Decreased fuctional residual capacityb) Small airway diseasec) Large airway diseased) Interstitial lung disease \nSelect and explain. \nA. acd, B. bcd, C. abd, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Bronchopulmonary dysplasia is a result of lung injury in infants requiring mechanical ventilation and Supplemental oxygen.\nFollowing changes are seen :\n\nAirway epithelial hyperplasia and squamous metaplasia \xa0\nPeribronchial as well as interstitial fibrosis.\nThickening of basement membrane\n\t\u200b\nThere are four pathalogic stages :\n\n\nAcute lung injury \xa0 \xa0 \xa0\nExudative bronchiolitis \xa0\xa0\nProliferative bronchiolitis\nObliterative fibroproliferative bronchiolitis.', 'role': 'assistant'}]