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: Anaesthesia
[{'content': 'Side effects of oxygen therapy are all except – \nSelect and explain. \nA. Absorption atelectasis, B. Increased pulmonary compliance, C. Decreased vital capacity, D. Endothelial damage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oxygen toxicity causes decreased lung compliance (not increased).', 'role': 'assistant'}]