Your patient is experiencing uncontrollable vomiting. Upon arriving at the patient’s residence, you notice a trash can containing approximately 400–500 cc of bright red blood. You find that the patient is not currently vomiting. Appropriate body substance isolation (BSI) precautions would include

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