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Exam (elaborations)
ENA Thoracic trauma Test Questions and Answers Graded A
Which event occurs during the expiration phase 
of ventilation? 
A. The diaphragm contracts and pulls down. 
B. The diaphragm relaxes and moves up. 
C. The thoracic cavity enlarges. 
D. The intrathoracic pressure becomes negative. 
- ANSWER -B 
Assessment may reveal subcutaneous 
emphysema in a pat
Exam (elaborations)
ENA Thoracic trauma Questions with complete solution 2026
PopularENA Thoracic trauma Questions with complete solution 2026 
 
Which event occurs during the expiration phase of ventilation? 
 
A. The diaphragm contracts and pulls down. 
B. The diaphragm relaxes and moves up. 
C. The thoracic cavity enlarges. 
D. The intrathoracic pressure becomes negative. - correct answer B 
 
Assessment may reveal subcutaneous emphysema in a patient with which injury? 
 
A. Laryngeal injury 
B. Diaphragmatic injury