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
Treatment of choice for Tension pneumothorax is 
Select and explain. 
A. Intermittent aspiration by needle, B. Continuous aspiration by needle, C. Immediate IC tube drainage, D. Thoractomy with repair of leakage
C: Immediate IC tube drainage
Answer: C: Immediate IC tube drainage 
Explanation: Once clinically diagnosed, a wide bore needle(intercostal drain) is immediately placed in the second intercostal space in midclavicular line, and a sterile glove is kept on the hub (blunt) end of the needle to create a valve so as to prevent inward sucking of the air from outside.