Vehicle Extrication

Question 1

What are the 3 collisions in MVC’s

Answer 1

machine, body,organ

Question 2

What are the 5 common forms of MVC’s

Answer 2

head-on, t-bone, rear-impact, rotational, rollover

Question 3

Often passenger side airbags cause spidering on the windshield as part of normal deployment

Answer 3

True

Question 4

Front offset collision

Answer 4

one side impacted head on, not all of the crumple zone is used resulting in rotational force

Question 5

What type of collision results in higher degree of entrapment

Answer 5

T-bone

Question 6

Rear impact collisions may result in what injury

Answer 6

Whiplash

Question 7

Rollover collisions are the most difficult to assess

Answer 7

True

Question 8

Who is in charge of overall scene safety

Answer 8

The officer

Question 9

Sheet metal that provides lateral strength and protects against front end impacts

Answer 9

firewall

Question 10

What are the 3 types of frames

Answer 10

uni-body, full frame, space frame

Question 11

What works in conjunction with airbags?

Answer 11

Seat belt pre-tensioning devices

Question 12

Air bags are considered supplementary, seatbelts are considered primary

Answer 12

true

Question 13

What is the 10-10-20 rule

Answer 13

10” from side
10” from drivers side
20” from passenger side airbags

Question 14

What is the average deployment zone of airbags

Answer 14

10”

Question 15

What does ROPS stand for

Answer 15

Roll Over Protection System

Question 16

Never intentionally cut RED, ORANGE or YELLOW wire or wire loom

Answer 16

and disconnect the battery

Question 17

What tool should you use to strip and rip a vehicle

Answer 17

screwdriver

Question 18

When are rescue 42 struts used

Answer 18

When a vehicle is on its side or roof, used to stabilize a vehicle

Question 19

What is the most common available tool for vehicle stabilization

Answer 19

wood blocks

Question 20

softwoods are the most popular choice for cribbing

Answer 20

pine/spruce

Question 21

16-24” is the range of length for cribbing, what is the most common length

Answer 21

18”

Question 22

Only the ends of cribbing can be painted

Answer 22

true

Question 23

To avoid creating a tripping hazard ensure the outside edges of the box crib are even with the side of the vehicle

Answer 23

true

Question 24

For a 2x2 crosstie layout with a 4”x4” dimensional lumber the crib capacity is

Answer 24

24,000 lbs (12 tons)

Question 25

For a 3x3 with 4”by4” dimensional lumber the crib capacity is

Answer 25

54,000 lbs (27 tons)

Question 26

Rescue 42’s can support how much weight

Answer 26

18,000 pounds

Question 27

Rescue 42’s are non-conductive to electricity and impact resistant

Answer 27

true

Question 28

What are the three phases of stabilization

Answer 28

scene stabilization, vehicle stabilization, patient stabilization

Question 29

What should you have when you do your outer circle survey

Answer 29

20 lb fire extinguisher

Question 30

The outer circle survey is generally

Answer 30

5-10 meters minimum

Question 31

It should take how long for a crew to evaluate the vehicle situation

Answer 31

30 seconds

Question 32

Stabilization should be checked

Answer 32

Every 3-5 minutes or whenever metal is displaced

Question 33

Removing air from low profile or run-flat tires may not give you an advantage as the deflation depth will be minimal

Answer 33

true

Question 34

The average time to stabilize a vehicle should fall within two minutes

Answer 34

true

Question 35

Which terminal is disconnected first

Answer 35

black/ground

Question 36

A good rule of thumb for pt access in vehicle collisions is to use the largest opening that is farthest from the pt

Answer 36

this will be the rear window or hatch

Question 37

If c-spine is needed the window closest to the pt should be opened

Answer 37

true

Question 38

Action circle

Answer 38

a “clear zone” established in a extrication incident that is 10-15 ft in all directions