Question 1

H-1) Yours is the first unit to arrive on the scene of a highway accident during a storm. There are several vehicles and patients​ involved, and visibility is poor. Your first action should be​ to: A. announce on the PA that all patients should stay where they are. B. establish command and confirm the exact location with dispatch. C. begin care for the most critical patient. D. remain in the vehicle until the weather improves.

Accepted Answer

B. establish command and confirm the exact location with dispatch.

Question 2

H-2) If it is safe to do​ so, which of the following is recommended to minimize traffic congestion at a highway accident​ scene? A. Turn off all emergency lights on arrival. B. Park emergency vehicles in a​ single-file line. C. Close all lanes of traffic. D. Immediately remove all patients from the scene.

Accepted Answer

B. Park emergency vehicles in a​ single-file line. To minimize scene​ congestion, units should park in the same direction and remain in single​ file, if possible. Larger units should provide upstream​ blocking, whereas command and EMS units should be downstream in the​ "safe zone." Patients should not be removed from the scene prior to completing the primary assessment.

Question 3

H-3) The vehicle positioned as a blocking apparatus on a​ three-lane highway should be​ positioned: A. downstream to create 1 1/2 - 2 lanes of blockage. B. with another vehicle angled in a V to block all three lanes downstream of the incident. C. with another vehicle angled in a V to block all three lanes upstream of the incident. D. upstream to create 1 1/2 - 2 lanes of blockage.

Accepted Answer

D. upstream to create 1 1/2 - 2 lanes of blockage.

Question 4

H-4) The cones or flares channeling traffic around a highway accident should be placed​ to: A. cross all lanes of the highway in a straight line. B. curve from the side of the highway opposite the accident toward the blocking apparatus. C. move traffic into the correct lane before they reach the edge of the danger zone. D. point directly at the blocking apparatus in a straight line.

Accepted Answer

C. move traffic into the correct lane before they reach the edge of the danger zone. Cones​ and/or flares should be placed on an angle across the road and around the site. The placement should move approaching traffic into the correct lane before it reaches the edge of the danger zone.

Question 5

H-5) After positioning your ambulance at an accident scene at​ night, you​ should: A. enter and exit the scene into oncoming traffic. B. leave the siren on while working the accident scene. C. shut off the headlights and white response lighting. D. block as many traffic lanes as possible.

Accepted Answer

C. shut off the headlights and white response lighting At​ night, headlights or flashing lights can temporarily blind drivers who are approaching an emergency​ scene, preventing them from seeing emergency workers. In this​ circumstance, reflective safety vests become ineffective.​ Therefore, drivers of emergency apparatus parked at highway incidents should turn off vehicle headlights. In​ addition, they should shut off any white response lighting that could blind oncoming drivers.

Question 6

H-6) Reflective safety vests become​ ineffective: A. when bright lights blind oncoming drivers. B. during vehicle extrication. C. after positioning cones or flares. D. at night.

Accepted Answer

A. when bright lights blind oncoming drivers. When bright lights such as ambulance headlights blind oncoming​ drivers, reflective safety vests become ineffective.

Question 7

H-7) Which of the following always precedes removing a patient from a vehicle unless delay would endanger the​ patient's life or that of EMS personnel or another​ rescuer? A. Performing the primary assessment B. Providing care such as splinting fractures C. Taking a patient history D. Completing a​ head-to-toe assessment

Accepted Answer

A. Performing the primary assessment Initial patient assessment and care precede removing a patient from a vehicle.​ However, care such as splinting fractures is not generally done until the patient is removed from the​ vehicle, unless the patient is otherwise stable. A thorough secondary assessment involving​ head-to-toe assessment and a patient history can be performed after removal.

Question 8

``` H-8) What is the final phase of​ extrication? A. Gaining access B. Disentanglement C. Terminating the rescue D. Immobilization and extrication ```

Accepted Answer

C. Terminating the rescue Extrication concludes when the operation is terminated. This is the last of the 10 phases of extrication.

Question 9

``` H-9) Full turnout gear should be​ worn: A. at all accident scenes. B. during extrication. C. when landing an EMS helicopter. D. in cold weather. ```

Accepted Answer

B. during extrication.

Question 10

``` H-10) Which of the following is recommended to protect the patient while extrication is being performed on the vehicle the patient​ occupies? A. Vinyl gloves B. An aluminized rescue blanket C. Sunglasses D. An athletic helmet ```

Accepted Answer

B. An aluminized rescue blanket An aluminized rescue blanket offers protection from bad weather and flying debris

Question 11

``` H-11) What type of access is required when you must use specialized tools to gain access to a patient in a​ vehicle? A. Simple B. Utility C. Complex D. Assisted ```

Accepted Answer

C. Complex

Question 12

H-12) Which of the following statements regarding airbag safety during displacement of the dash or steering wheel is​ false? A. Do not apply heat in the area of the steering wheel hub. B. Do not displace or remove the steering column until the system has been fully deactivated. C. Cut or drill into an air bag module. D. Disconnect the battery​ cables, starting with the negative terminal.

Accepted Answer

C. Cut or drill into an air bag module.

Question 13

H-13) Which of the following methods should be tried first to gain access to a patient in a​ vehicle? A. ​"Pop" the door with hydraulic spreaders. B. Break the windshield. C. Break the rear window. D. Try all of the doors on the​ vehicle, to see whether any are unlocked.

Accepted Answer

D. Try all of the doors on the​ vehicle, to see whether any are unlocked. The simplest and quickest method to gain access to a patient in a vehicle is to try all of the vehicle doors.​ (Try before you​ pry.)

Question 14

``` PT-1) Helmets worn by EMS providers should​ have: A. subdued colors. B. the Star of Life on them. C. auxiliary lighting capability. D. dark lettering. ```

Accepted Answer

B. the Star of Life on them.

Question 15

PT-2) You park downstream of an accident site on a busy​ four-lane highway. A fire apparatus has been positioned upstream to block two lanes of traffic. You are parked in the rightmost lane. Cones are placed in a line down the center of the​ highway, blocking off two​ lanes, including the lane to your left just outside the​ driver's side door. You may exit the​ vehicle: A. only if you see no traffic approaching in the side mirror. B. only when a spotter signals you. C. only on the​ passenger's side. D. on the​ driver's side, after checking approaching traffic in the side mirror.

Accepted Answer

D. on the​ driver's side, after checking approaching traffic in the side mirror.

Question 16

PT-3) Traffic flow around an accident site on a​ highway: A. should be controlled and slowed. B. is unsafe until a safe zone is created. C. should only be open to rescue vehicles. D. should be prevented entirely during incident response.

Accepted Answer

A. should be controlled and slowed.

Question 17

PT-4) After using a fire extinguisher to put out all fires on a crashed​ vehicle, you should​ next: A. observe from a safe distance to make sure the fire is fully out. B. approach the vehicle from a safe direction. C. fill the​ vehicle's interior with a cloud of fire extinguishing agent. D. call out to patients inside that it is safe to exit the vehicle.

Accepted Answer

A. observe from a safe distance to make sure the fire is fully out.

Question 18

PT-5) A vehicle involved in a collision that is at rest on four inflated tires​ represents: A. a stabilization risk. B. no stabilization risk if the parking brake is set. C. no stabilization risk. D. no stabilization risk if it is placed in park with the engine off.

Accepted Answer

A. a stabilization risk.

Question 19

PT-6) Which of the following is the least rescuers are required to wear when working at an accident​ scene, day or​ night? A. A Level A containment suit B. Leather gloves C. ANSI Class 2 traffic safety vests and helmets D. A HEPA mask

Accepted Answer

C. ANSI Class 2 traffic safety vests and helmets

Question 20

PT-7) For maximum visibility at an accident scene at​ night, emergency vehicles​ should: A. turn headlights to the brightest setting. B. turn​ red/amber emergency lights off. C. turn​ red/amber emergency lights on. D. turn headlights on.

Accepted Answer

C. turn​ red/amber emergency lights on.

Question 21

``` PT-8) Prior to stabilizing the​ vehicle, you​ would: A. recognize and manage hazards. B. gain access to the patient. C. immobilize and extricate the patient. D. disentangle the patient. ```

Accepted Answer

A. recognize and manage hazards.

Question 22

PT-9) Which of the following accident scenes will likely require additional​ resources? A. An accident requiring complex extrication B. An accident involving a pediatric patient C. An accident involving an​ off-duty EMS worker D. An accident scene with a fatality

Accepted Answer

A. An accident requiring complex extrication

Question 23

PT-10) Good hand protection for vehicle extrication is best achieved​ with: A. fabric garden gloves. B. nonlatex examination gloves. C. disposable vinyl or other synthetic gloves underneath either​ firefighter's gloves or leather gloves. D. work gloves.

Accepted Answer

C. disposable vinyl or other synthetic gloves underneath either​ firefighter's gloves or leather gloves.

Question 24

PT-11) Which of the following can you NOT do before disentanglement in the vehicle extrication​ process? A. Provide a primary assessment B. Size up the situation C. Stabilize the vehicle D. Extricate the patient from the vehicle

Accepted Answer

D. Extricate the patient from the vehicle

Question 25

``` PT-12) Which of the following is the best choice for blocking a highway accident scene and protecting the scene from oncoming​ traffic? A. EMS helicopter B. Ambulance C. Police vehicle D. Fire apparatus ```

Accepted Answer

D. Fire apparatus

Question 26

``` PT-13) If it is necessary to disconnect a​ car's battery, which of the following cables should be cut or removed​ first? A. Negative B. Red C. Neutral D. Positive ```

Accepted Answer

A. Negative

Question 27

CT-1) If the steering wheel must be displaced during extrication and the airbag has not​ deployed, which of the following actions is recommended by airbag​ manufacturers? A. Secure a long backboard across the steering wheel to deflect the airbag from the patient should it deploy. B. No action is​ required; only frontal impact will deploy airbags. C. Firmly strike the hub of the steering wheel with a mallet to deactivate the airbag before displacing the steering wheel. D. Disconnect the battery cables.

Accepted Answer

D. Disconnect the battery cables.

Question 28

CT-2) Which of the following can serve as appropriate eye protection for an EMT on the scene of an​ extrication? A. Plastic face shield of the type used for Standard Precautions B. Shield of a​ Firefighter's helmet C. Face conforming goggles D. Prescription eyeglasses

Accepted Answer

C. Face conforming goggles

Question 29

CT-3) Which of the following is a common hazard associated with the inner circle of a typical auto​ extrication? A. Penetrating injury from extrication tools B. Broken glass and metal fragments C. Carbon monoxide poisoning D. Both A and C

Accepted Answer

B. Broken glass and metal fragments

Question 30

``` CT-4) Which of the following is the​ EMT's key role at the scene of an auto​ extrication? A. Rescue technician B. Patient advocate C. Safety officer D. Incident commander ```

Accepted Answer

B. Patient advocate

Question 31

``` CT-5) Which of the following is the most common type of rescue across the United​ States? A. Hazardous materials response B. Farm rescue C. Water rescue D. Vehicle rescue ```

Accepted Answer

D. Vehicle rescue

Question 32

CT-6) Which of the following is a good choice for preventing further injury to a patient during auto​ extrication? A. Placing your body over the top of the patient B. Sheet C. Disposable blanket D. Aluminized blanket

Accepted Answer

D. Aluminized blanket

Question 33

``` CT-7) Which of the following is not an example of a specialty rescue​ team? A. Advanced cardiac life support B. Water rescue C. ​High-angle rescue D. ​Confined-space rescue ```

Accepted Answer

A. Advanced cardiac life support

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CH 40 Highway Safety and Vehicle Extrication Flashcards

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