1. Motor vehicles crashes and interpersonal violence are the two: Answer main causesof thoracic trauma 2. Thoracic injury mechanisms of injury: Answer -Acceleration and deceleration forces -First and second rib fractures can severely injure the pulmonary and cardiac tissues underneath -Falls -Crush injuries -Violence -Motor vehicle crashes 3. Thoracic injury patho: Answer -Causes ineffective ventilation due to disruption in theanatomical structure in the thoracic cavity -tears in the bronchial tree -rib/sternal fractures -pain -lung contusion -impaled object in the chest -causes ineffective circulation due to internal or external hemorrhage 4. Blunt trauma occurs when: Answer chest strikes or is struck by an object impact can cause shearing and compression of chest structures 5. Blast injuries: