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: Surgery
[{'content': 'Decompression in tension pneumothorax can be done by inserting a largebore needle in \nSelect and explain. \nA. First intercostal space, B. Second intercostal space, C. Third intercostal space, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Treatment consists of immediate decompression and is managed initially by rapid insertion of a large-bore needle into the second intercostal space in the mid-clavicular line of the affected hemithorax. This is immediately followed by insertion of a chest tube through the fifth intercostal space in the anterior axillary line.', 'role': 'assistant'}]