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
A pt. died after a blunt trauma to chest Most common cause of death in blunt trauma to chest is ? 
Select and explain. 
A. Oesophageal rupture, B. Tracheo bronchial rupture, C. Pulmonary laceration, D. Pneumothorax
B: Tracheo bronchial rupture
Answer: B: Tracheo bronchial rupture 
Explanation: Ans is 'b' ie Tracheo bronchial rupture