You find an unresponsive patient in the supine position on the floor of a restaurant. The patient has cyanosis of the face, neck, and hands. When he attempts to breathe, you see very little chest rise and hear a harsh, high-pitched squeaking coming from the patient’s mouth. The patient’s companion says that the patient had not complained of any illness until he abruptly stood up and was unable to speak. You suspect

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