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: Pediatrics
[{'content': 'All of following are causes of bronchopulmonary dysplasia except – \nSelect and explain. \nA. Oxygen toxicity, B. Theophyline use, C. Traumatic damage to lungs, D. Pulmonary odema due to capillary damage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ironchounimonary dvspiasia (EPD) \n\n\nBPD is a result of lung injury in infants requiring mechanical ventilation and supplemental oxygen.\nMost of the children with BPD are premature and have hyaline membrane disease. But, BPD can also occur in full term newborns with meconium aspiration or persistent pulmonary hypertension.\n\nPathogenesis,\n\nThe premature lung makes insufficient functional surfantant and the antioxidant defence mechanisms are not sufficiently mature to protect the lung from the toxic oxygen metabolites generated from oxygen therapy.', 'role': 'assistant'}]