Welcome to the final part of our Scene Size-Up and Safety practice tests! This quiz focuses on advanced scenarios, ensuring you’re prepared to assess risks, prioritize patient care, and maintain safety in the field.
Key Topics Covered:
– Hazardous materials recognition and response
– Multi-casualty incident (MCI) management
– Vehicle extrication safety protocols
– Special patient populations (e.g., pediatric, geriatric)
– Scene security and law enforcement coordination
Study Tip: Review the National Standard Curriculum for scene size-up steps, and practice identifying hazards quickly. Remember, your safety comes first—always assess before acting!
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Question 1 of 20
1. Question
1. Which component of personal protective equipment is required for ALL patient contacts, regardless of the chief complaint?
CorrectIncorrectHint
Minimum PPE for any patient contact = gloves. Add eye protection for splash risk, gown for contact with fluids, N95 for airborne precautions.
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Question 2 of 20
2. Question
2. What is the primary purpose of determining the mechanism of injury (MOI) during scene size-up?
CorrectIncorrectHint
MOI = “What happened?” → Predicts injury patterns → Guides your assessment priorities and index of suspicion.
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Question 3 of 20
3. Question
3. You are called to a residence for a 34-year-old male with cough and fever. He recently returned from international travel. As you approach, you observe the patient is wearing a surgical mask and mentions his sister was diagnosed with tuberculosis last week. What PPE is most appropriate?
CorrectIncorrectHint
Suspected TB = airborne precautions = N95 respirator (minimum). Add eye protection for coughing patients to protect from splashes.
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Question 4 of 20
4. Question
4. You respond to a motorcycle collision. The rider was not wearing a helmet and was thrown approximately 30 feet from the motorcycle, landing on pavement. Which injury pattern should you anticipate based on this mechanism?
CorrectIncorrectHint
Unhelmeted motorcycle ejection = high-speed trauma. Think: head injury, cervical spine, multisystem trauma. These patients are critical until proven otherwise.
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Question 5 of 20
5. Question
5. You are treating a patient who is actively vomiting bright red blood. The emesis is projecting onto your uniform. What should you do immediately after this exposure?
CorrectIncorrectHint
Blood/body fluid exposure: Stop, remove contaminated items, wash skin with soap and water, document immediately. Time matters for post-exposure prophylaxis effectiveness.
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Question 6 of 20
6. Question
6. You respond to a two-story residential home for a fall. Family reports the 72-year-old female patient fell down a flight of 14 stairs. She is now at the bottom of the stairs, alert but complaining of right hip pain. Based on this mechanism, which additional injuries should you have a high index of suspicion for?
CorrectIncorrectHint
Falls down stairs = multi-impact mechanism. Elderly patients + anticoagulants = high bleed risk. Assess head to toe and have high index of suspicion for occult injuries.
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Question 7 of 20
7. Question
7. You are called to assist a patient with a large, weeping wound on his leg. The wound is producing significant drainage. As you prepare to dress the wound, which PPE combination is most appropriate?
CorrectIncorrectHint
Wound care with drainage = splash risk. Always add eye/face protection. Think: gloves + gown + face shield for draining wound care.
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Question 8 of 20
8. Question
8. You respond to a bicycle versus motor vehicle collision. The 28-year-old cyclist was struck from behind by a car traveling approximately 40 mph. Witnesses report the cyclist was thrown over the handlebars and landed on the pavement, striking their head. They were wearing a helmet. The patient is now unconscious with a deformed helmet and a visible crack in the helmet’s outer shell. Based on this mechanism and presentation, what is your index of suspicion?
CorrectIncorrectHint
Cracked/deformed helmet = significant force transmitted. Unconsciousness = severe head injury until proven otherwise. High-speed ejection = c-spine precautions mandatory.
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Question 9 of 20
9. Question
9. You are dispatched to an assault at a bar. Upon arrival, police have secured the scene. A 45-year-old male was struck in the head and face multiple times with a baseball bat. He is conscious but combative, with visible swelling and deformity to the left side of his face. His left eye is swollen shut, and you note clear fluid draining from his left ear. He is agitated and trying to stand despite your instructions. What do these findings indicate, and what is your priority?
CorrectIncorrectHint
Battle’s sign, raccoon eyes, or CSF from ear/nose = basilar skull fracture. Combativeness after head trauma = possible increased ICP. Prioritize c-spine, airway, rapid transport.
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Question 10 of 20
10. Question
10. You respond to a homeless shelter for a patient with fever, night sweats, and a productive cough lasting three weeks. The patient mentions he was recently diagnosed with HIV and has not started treatment. He is coughing frequently in a small, poorly ventilated room with other residents present. As the first arriving unit, what is your immediate priority?
CorrectIncorrectHint
Fever + night sweats + chronic cough + immunocompromise = think TB. N95 before you enter. Ventilate. Protect others. TB is airborne until proven otherwise.
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Question 11 of 20
11. Question
11. What is the FIRST priority upon arrival at any emergency scene?
CorrectIncorrectHint
“Scene safe?” is your first question at every call – dead EMTs help no one.
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Question 12 of 20
12. Question
12. Which of the following best describes the principle of early resource activation?
CorrectIncorrectHint
Better to cancel than to wait – early calls save lives.
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Question 13 of 20
13. Question
13. You are dispatched to a residential address for a “psychiatric emergency.” Dispatch reports the patient has a history of violence and police are en route. Upon arrival, you see a man standing on the porch holding what appears to be a baseball bat. What is the MOST appropriate action?
CorrectIncorrectHint
Weapons + violent history = stage and wait – let police clear the scene first.
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Question 14 of 20
14. Question
14. You respond to a two-vehicle collision on a rural highway. As you approach, you note that one vehicle is on its side in a ditch and the other has moderate front-end damage on the roadway. Traffic is still flowing past the scene. What should be your INITIAL action?
CorrectIncorrectHint
Flowing traffic = active threat – protect your scene before treating your patients.
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Question 15 of 20
15. Question
15. Dispatch sends you to a reported structure fire with possible entrapment. As you approach, you see heavy smoke and flames coming from a two-story home. A neighbor reports two people may still be inside. Fire department has a 15-minute ETA. What is your BEST course of action?
CorrectIncorrectHint
Active structure fire = fire department’s scene – stage safely and prepare to treat.
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Question 16 of 20
16. Question
16. You are called to an industrial site for a worker who collapsed. Upon arrival, a supervisor reports the patient collapsed near a chemical storage area and there is a strong odor in the air. Several other workers are complaining of headache and nausea. What is your FIRST action?
CorrectIncorrectHint
Multiple victims + chemical odor = HazMat – don’t become the next patient.
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Question 17 of 20
17. Question
17. You respond to a single-vehicle crash on a remote mountain road. The vehicle has gone down a steep embankment and is approximately 100 feet from the roadway. You can see one patient motionless in the driver’s seat. The vehicle appears stable, but access requires specialized equipment. What resources should you immediately request?
CorrectIncorrectHint
Remote crash + difficult access = fire rescue + air transport – think ahead for complex scenes.
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Question 18 of 20
18. Question
18. You are dispatched to a residence for a “difficulty breathing” call. As you approach the address, you notice an unusual number of emergency vehicles – two police cars are parked with lights off, officers are positioned behind their vehicles with weapons drawn, and a SWAT vehicle is staging nearby. A police officer waves you forward. What is your BEST response?
CorrectIncorrectHint
Weapons drawn + SWAT = tactical scene – verify with command, don’t assume.
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Question 19 of 20
19. Question
19. You arrive at a nursing home for a reported fall. Staff report that a visitor became aggressive when told he couldn’t take a patient home, and is now threatening staff with a knife in the common area. The patient from the fall is in a different wing of the facility. What is the MOST appropriate sequence of actions?
CorrectIncorrectHint
Armed threat = unsafe scene regardless of patient location – stage and wait for police.
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Question 20 of 20
20. Question
20. You respond to a motor vehicle collision involving a minivan and a tanker truck. The tanker displays a placard with the number 1993. The driver of the tanker is ambulatory and states the tank is about half full. The minivan has three passengers, one of whom is complaining of back pain. There is no visible leak or spill. What resources should you request?
CorrectIncorrectHint
Tanker placard = HazMat call – even without a visible leak, treat it as a hazardous materials scene.
You’ve made it to the final part of this series—keep pushing forward! Your certification is within reach. Take the quiz, review your answers, and build the confidence you need to ace the NREMT. Good luck!
📚 More Scene Size-Up Practice:
- Free EMT Scene Size-Up Practice Test (Comprehensive Guide)
- Free EMT Scene Size-Up and Safety Practice Test
- Free EMT Scene Size-Up Practice Test – Part 2
- Free EMT Scene Size-Up Practice Test – Part 3
🎯 Take the Full Exam: Free EMT Practice Test (Updated 2026)