You respond with your partner to a call for a two-vehicle MVC. You are the first on the scene and determine from a distance that a small passenger van with a single occupant was struck by a pickup truck with at least two occupants. A bystander tells you that the pickup truck is carrying a large liquid tank and pump in the truck bed. The tank appears to be leaking, but the driver is unable to tell you what it contains. This scene should be treated as

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