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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. 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?
2. 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:
3. To best determine the type and extent of injuries sustained by a patient who has fallen, the EMT should consider which of these pieces of information?
4. You are providing care to a patient with altered mental status amid a large crowd gathered for a concert. Which characteristic of the crowd should concern you the most in relation to personal safety?
5. You have been called to a residence of a woman who fell down the stairs. On scene, you find the patient on the couch with a large laceration to her forehead. As you begin assessing and treating her, she states that she did not fall down the stairs, but rather was assaulted by her ex- boyfriend after inviting him into her home. He has since left the residence prior to your arrival. In this situation, which statement would be most appropriate?
6. Which of these emergency responders have articles of personal protective equipment in place?
7. To best determine the type and extent of injuries sustained by a patient who has fallen, the EMT should consider which of these pieces of information?
8. 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?
9. On scene, frantic family members direct you into the basement where their 67-year-old mother has shot herself in the chest with a small handgun. She is unresponsive and breathing 6 times per minute. The gun remains in her hand by her side. Which action should you take immediately?
10. You have been called to a residence of a woman who fell down the stairs. On scene, you find the patient on the couch with a large laceration to her forehead. As you begin assessing and treating her, she states that she did not fall down the stairs, but rather was assaulted by her ex- boyfriend after inviting him into her home. He has since left the residence prior to your arrival. In this situation, which statement would be most appropriate?
11. 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?
12. 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:
13. 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:
14. 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?
15. 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?
16. When would an EMT enter the scene of a crime to provide care to the patient?
17. 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?
18. If a scene becomes unsafe after you have entered, you should first:
19. 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?
20. You are providing care to a patient with altered mental status amid a large crowd gathered for a concert. Which characteristic of the crowd should concern you the most in relation to personal safety?
21. 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?
22. When deciding whether to transport a patient to the hospital using lights and sirens to the hospital, which information carries the most weight in your decision?
23. 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:

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