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
Most common cause of mortality in blunt thoracic trauma is: 
Select and explain. 
A. Tension pneumothorax, B. Tracheo-bronchial injury, C. Hemothorax, D. Flail chest
B: Tracheo-bronchial injury
Answer: B: Tracheo-bronchial injury 
Explanation: Most common cause of mortality:-

In blunt thoracic trauma: Tracheobronchial injury.
In penetrating throracic trauma: Hemothorax.