This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lung and Trachea - Trauma, Congenital Issues, and Cancer, Subject name: Surgery
[{'content': 'Treatment of tension pneumothorax is - \nSelect and explain. \nA. Insertion of a large bore needle in the 2nd ICS in the mid clavicular line, B. Fluid Resuscitation, C. Starting Inotropic support, D. Endotracheal Intubation', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Insertion of a large bore needle in the 2nd ICS in the mid clavicular line o Treatment consists of immediate decompression, initially by rapid insertion of a large-bore needle into the second intercostal space in the midcalvicular line of the affected hemithorax and then followed by insertion of a chest tube through the fifth intercostal space in the anterior axillary line.", 'role': 'assistant'}]