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Flashcards in Vehicle Extrication Deck (462)
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31

Traffic cones must be _____ in color ______ inches for daytime and low speed roadway.

_____ inches for night or high speed roadways

Cone spacing recommendations _______ ft.

Orange

18 inches

28 inches

15 ft

32

5 directional movement you must consider during stabilization :
pg 177

Horizontal - forward to rear
Vertical - Up and down
Roll - Side to side
Pitch - front goes down, rear comes up
Yaw - Twists or turns

33

5 box cribbing configurations:

Pg 176

2 piece layer crosstie
3 piece layer crosstie
Crosstie platform
Triangle crosstie
Modified crosstie

** 2 piece, 3 piece, crosstie platform are most commonly used

34

Not all wood is good for cribbing. ______ and _____ are commonly used.

Hardwoods such as _____ is strong but tends to crack under stress.

*** Primary concern is the measurement of applied stress

Southern Yellow pine or Douglas fur
(load bearing capacity 6ooo lbs pg 176)


Oak species
* wood is considered elastic

35

The max stress a board can be subjected to without exceeding the elastic range or proportional limit is known as its ________.

Fiber stress at proportional limit rating ( FSPL)

36

Most basic tool for stabilization:

Made from wood composite or steel

4x4 are cut at various lengths mostly ______ to ______ inches and _____ to _____ feet or longer.

Pg. 175

Cribbing

18 to 20 inches

3 to 6 feet or longer

37

________, _________, and ________ of vehicles after a collision can create challenges for rescuers.

size
shape
resting postions

38

Always approach helicopter from the _______ side.

Approach in a _______ position.

Main rotor blade can dip as low as:

Downhill side

Crouched position

4 ft off the ground

39

Fixed wing transportt is usually for ______ and for distances greater than _______ to _______

Interhospital transfers

100 to 150 miles

40

DOT defines Haz Mat as :

EPA defines HazMat as :
(enviromental protection agency)

Any substance or material in any form or quantity that poses a risk when transport in commerce


Any chemical that, if released into the environment, could be potentially harmful to the public health or welfare.

41

Never assume a line is dead place cones, snap light or scene tape around it.

Utility companies are programmed to energize the line several times to determine where there is break in the line

**** Never attempt to throw anything over a down lone to contain or move it

42

* Apparatus should be placed a minimum of ________ poles away from a down line or a line with items hanging on them

2 poles

43

More than _______ vehicle in the US use LPG (propane) most of which have spark ignition engines that can operate on propane or gasoline

500,000

44

The point at which all the weight of an object appears to be concentrated

Center of gravity

45

A review of the incident and a way to constructively examine the positives and negatives of the incident

" What if this happens again?"

PIA

Post incident analysis

46

3 basic strategies to remove a pt from under a load:

Raise load by lifting

Stabilize the load and lower the ground (dig)

Combine the two approaches

47

Forms

Extrication activities need to happen:

Quickly and methodically

48

When a person is trapped under a load for long time and muscles cells die, producing toxin that when pressure is released reach the heart

Crush injury syndrome

* One of the more critical injuries of traumas

49

The compression of nerves, blood vessels, and muscles inside and enclosed space within the body:

Compartment syndrom

* Tissue death due to lack of o2

50

Farm machine can often be _____ more easily than they can be cut

dismantled

51

You are allowed to ________ mechanism that has entrapped a pt

Manually unwind

52

Allows a tractor to traverse uneven ground while preventing the front end from lifting off the ground

Pivot point

53

All tractor wheels turn:

Independently

54

Allows rescuers to create an anchor point for rigging and stabilization where no other anchors are available.

Picket anchor systems

55

The most critical skill a rescuer can master is:

Effective cribbing

3 layer instead of 2 layer cribbing provides 2 1/4 times the lifting capacity

56

Turning off a trailer ignition may not _______

Kill electrical power

*Shutting electrical current off will stop a gas engine. It will not stop a diesel engine

57

Crush victim should be infused with fluids for _______ before extricated from machinery

* Allow bystanders to stay at a safe distance

1 hour

58

Hazards at the scene of a tractor overturn include:

Bystanders
Instability
Hazmats
Power
Enviromental condtions

59

Most states have no __________ when driving tractors

age restrictions

60

Tractors can weigh ________ to over ______ lbs

a few hundred lbs to over 60000 lbs