Your patient is a 24-year-old male who lost control of his ATV and struck several trees. On assessment, you find your patient responsive only to painful stimuli with rapid breathing, tachycardia, and diaphoresis. You direct your partner to begin packaging the patient as you continue your assessment and note several small puncture wounds around the left chest and flank, bulging neck veins, and a blood pressure of 70/52. Your patient’s breath sounds are clear and equal bilaterally. The patient’s most likely injury is

The following subject areas are covered in the EMT Basic Exam:    
- Airway techniques    
- Patient assessment    
- Medical emergencies    
- Trauma    
- Treatment of infants and children    
- Operations    
- Advanced airway maneuvers    
- Anatomy and physiology