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Prehospital Emergency Care Practice Test: Scene Size-Up
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Scene size-up is a process that emergency medical services (EMS) use to assess a scene before and after arriving, to ensure the scene is safe and to summon the right resources. It's a mental process that should take no more than 30 seconds and should occur before attempting to enter the scene.  The process involves: - Reviewing dispatch information: Emergency medical dispatchers (EMDs) are trained to extract information that helps determine response priority, numbers of units needed, safety concerns, and even what entrance to use. - Observing the scene for hazards: This includes traffic,... Show more
Prehospital Emergency Care Practice Test: Scene Size-Up
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23 Questions

1. A 67-year-old male patient, who has a history of diabetes and previous heart attack, fell down three stairs. His chief complaint is pain and deformity to his right wrist. The EMT would initially classify this patient as a:
2. At the scene of a motor vehicle collision involving two vehicles on a narrow two-lane road, which actions would be most appropriate to ensure rescuer and patient safety?
3. You arrive on the scene at an extended care facility where you see the facility employees removing the residents via wheelchairs and hospital beds. As you exit the ambulance, an employee walks up to you and identifies herself as the night-shift charge nurse. She states that the facility had a furnace malfunction and the carbon monoxide alarms are sounding. There are probably 30 residents already in the parking lot a safe distance away, and there are reportedly 15 more inside who are unresponsive. Given the number of patient overall, the EMT should:
4. Which of these emergency responders have articles of personal protective equipment in place?
5. A young male patient was playing hockey on an ice-covered pond and became injured; he remains on the ice. As you arrive on scene, a park ranger informs you that the ice is 12 inches thick and poses no danger of collapse. In this situation, which action would be most appropriate to help keep you safe while accessing and extricating the patient?
6. You are entering the scene where a 32-year-old intoxicated male has fallen down 13 stairs leading to the basement. He is seated on the floor of the basement, holding a bloody towel over his face. During the initial scene size-up, what is it essential that the EMT quickly identify?
7. A 67-year-old male patient who lives in an extremely 'bad' neighborhood is experiencing chest pain. There are vacant homes throughout the area, including the homes to either side of his residence. Additionally, parked/abandoned cars have forced you to park three houses away, making it necessary to walk and carry supplies to the residence. Which action is most appropriate as you approach and/or gain access to the patient's house?
8. What is the most common potential hazard an EMT faces on scene?
9. Dispatch has sent you to a residence for a female patient with a possible broken arm. On scene, you find the patient seated in a chair holding her left arm. Her arm appears deformed and she has blood and bruises on her face. She tells you that an intruder, whom she believes lives in her neighborhood, broke into her home and robbed her. Prior to fleeing, he beat her, leaving her as you find her. With this information, you would immediately:
10. You have been dispatched for an 89-year-old female patient who fell in her kitchen and was found by family members several hours later. Should something go awry on scene, which of these serves to give you the most safety and security?
11. A 67-year-old male patient who lives in an extremely 'bad' neighborhood is experiencing chest pain. There are vacant homes throughout the area, including the homes to either side of his residence. Additionally, parked/abandoned cars have forced you to park three houses away, making it necessary to walk and carry supplies to the residence. Which action is most appropriate as you approach and/or gain access to the patient's house?
12. Dispatch has sent you to the scene of a fight at a local sporting event. Since the EMS system is busy and there are very few ambulances available, dispatch has instructed you to call for additional units after arrival on scene. On scene, you find that the police are present and what appear to be 10 to 12 people are seated or lying on the ground, many with blood on their faces and clothing. When would you call for additional ambulances?
13. You have been directed to a car that struck another vehicle at a moderate rate of speed. You note deformity and starring of the windshield on the driver's side. What should you do to determine whether the deformity to the windshield was caused by the driver hitting his head or by the air bags?
14. An intoxicated patient is complaining of a severe headache and a large bruise to the left side of his face after accidentally being struck with a baseball bat during a family picnic softball game. In this situation, being struck with the baseball bat is called the:
15. You arrive on the scene at an extended care facility where you see the facility employees removing the residents via wheelchairs and hospital beds. As you exit the ambulance, an employee walks up to you and identifies herself as the night-shift charge nurse. She states that the facility had a furnace malfunction and the carbon monoxide alarms are sounding. There are probably 30 residents already in the parking lot a safe distance away, and there are reportedly 15 more inside who are unresponsive. Given the number of patient overall, the EMT should:
16. A 67-year-old male patient, who has a history of diabetes and previous heart attack, fell down three stairs. His chief complaint is pain and deformity to his right wrist. The EMT would initially classify this patient as a:
17. What is the most common potential hazard an EMT faces on scene?
18. It is nighttime and you have been dispatched for a vehicle on the shoulder of the interstate with a driver slumped over the steering wheel. When pulling up onto the scene, how should you best position the ambulance?
19. You and your partner are first on the scene of a bleacher collapse at a local raceway. As you exit the ambulance, you note several patients seated throughout the debris from the collapsed structure. In this situation, which action would you perform first?
20. Dispatch has sent you to the scene of a fight at a local sporting event. Since the EMS system is busy and there are very few ambulances available, dispatch has instructed you to call for additional units after arrival on scene. On scene, you find that the police are present and what appear to be 10 to 12 people are seated or lying on the ground, many with blood on their faces and clothing. When would you call for additional ambulances?
21. When would an EMT enter the scene of a crime to provide care to the patient?
22. When would an EMT enter the scene of a crime to provide care to the patient?
23. You are entering the scene where a 32-year-old intoxicated male has fallen down 13 stairs leading to the basement. He is seated on the floor of the basement, holding a bloody towel over his face. During the initial scene size-up, what is it essential that the EMT quickly identify?

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