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Flashcards in IFSTA(5th)-Chapter 5 Deck (80):
0

PPE

refers to all clothing and equipment used for FF protection.
personal protective ensemble.

1

Full PPE for structural FF include
(per NFPA 1971)

helmet
hood
jacket
pants
gloves
boots

2

PPE required by NFPA 1500 include

eye protection
hearing protection
SCBA
PASS

3

According to NFPA 1581, protective clothing that has been retired may only be used for ____

training that does not involve fire.

4

FFs should wear eye protection that meets ______

ANSI Std. Z87.1
Practice for occupational and Educational Eye and Face Protection

5

Protective Coats have 3 layers

outer shell
moisture barrier
thermal barrier

6

Structural PPE provides ____ CBRNE protection

no

7

DRD

drag rescue device.
built-in harness and loop at the back of the neck.

8

NFPA 1977

Std. on PPE for Wildland FF

9

FF should never wear clothing made of ______, such as ______ , when fighting a fire.

synthetic materials
polyester and nylon

10

NFPA 1975

Std. on Station/Work Uniforms

11

According to NFPA 1975, no garment components will ignite, melt, drip, or separate when exposed to ______ heat for ____ minutes.

500 degree F
5

12

Do not dry PPEs in direct sunlight. _______ can degrade the fabric and reduce its protection.

ultraviolet light

13

NFPA 1581

Std. on FD Infection Control Program

14

IDLH

any atmosphere that poses an immediate hazard to life or produces immediate, irreversible, debilitating effects on health.

15

4 common respiratory hazards associated with fire and other energencies

o2 deficiency
toxic atmospheres
superheated gases
smoke(products of combustion)

16

6 places where it might be o2 deficient

below-grade locations
chemical storage tanks
grain bins
silos
other confined spaces
where CO2 has been discharged

17

Physiological Effects of O2 %

21 - none(normal O2 %)
17 - some loss of muscular coordination/increase in RR
12 - dizziness/headache/rapid fatigue
9 - unconsciousness
6 - death within a few minutes

18

Inhaling heated gases can cause _____ . the tissue damage is ______ and prompt _______ is needed.

pulmonary edema (due to serious decrease in BP and failure if the circulatory system)
not immediately reversible
medical treatment

19

4 factors that affect the type and amount of toxic gases released at a fire

nature of the combustible
rate of heating
o2 concentration
temp. of the evolved gases

20

Pocket Guide to Chemical Hazards

produced by NIOSH
lists IDLH concentrations of common fire gases

21

Which gas causes more fireground deaths than any other toxic product of combustion?

CO

22

The more inefficient the burning, the _____ the quantity of CO

greater

23

CO2

colorless/odorless
IDLH at 40000ppm
free burning

24

CO

colorless/odorless
IDLH at 1200ppm
incomplete combustion

25

HCl - hydrogen chloride

colorless to slightly yellow
pungent odor
IDLH at 50ppm
burning plastics

26

HCN

colorless/bitter almond odor
IDLH at 50ppm
burning of wool/nylon/polyurethane foam/rubber

27

NO2

reddish brown/acrid odor
IDLH at 20ppm
grain bins/silos/pyroxylin plastics decomposing

28

COCl2

phosgene
colorless/odor of musty hay
IDLH at 2ppm
when refrigerants contact flame

29

generally, the _____ the smoke, the higher the CO levels

darker

30

It takes _____ for COHb to dissipate from the bloodstream.

years

31

COHb

carboxyhemoglobin
hemoglobin saturated with CO

32

the most important element in immediate care for CO poisoning is _______

pure O2

33

3 toxic refrigerants

freon
ammonia
sulfur dioxide

34

DOT

dept. of transportation

35

Hazardous Material

any substance which may pose an unreasonable risk to health and safety of operating or emergency personnel, the public, and/or the environment if it is not properly controlled during handling, storage, manufacture, processing, packaging, use, disposal, and transportation.

36

etiologic agent

living micro-organism that can cause human disease.

37

Both NFPA 1500 and 29 CFR 1910.134 allow FF to wear ______ while using SCBA if the FF has demonstrated at least 6 months of use without any problems.

soft contact lenses

38

6 limitations to SCBA air supply

physical condition of user
degree of exertion
emotional stability
condition of SCBA
initial pressure of SCBA
training/experience of user

39

low air pressure alarms normally activate at _____ % of full pressure.

25(about 5 minutes air supply)

40

Point of no return

when your first FF reaches 50% air supply

41

APRs

air-purifying respirators.
also known as filter masks.
some have canisters or cartridges.
must b certified for the specific hazard they are used to protect against.

42

open-circuit SCBA

uses compressed air
exhaled air is vented outside

43

closed-circuit SCBA

uses compressed O2
exhaled air remains within the system and is re-used.

44

MSHA

mine safety and health administration

45

(SCBA)During inhalation, a pressure differential is created. the diaphragm moves inward allowing low-pressure air into the mask. the diaphragm is held open by ______ . Exhalation closes the diaphragm.

positive pressure

46

Remote pressure gauges should be within ______ of the main cylinder gauge.

100 psi

47

SCBAs should be at least ____ filled.

90%

48

NFPA 1981

Std. on Open-Circuit SCBA for Emergency Services

49

RIC/UAC

rapid intervention crew/ universal air connection
must be on all new SCBAs

50

HUD

heads up display
displays cylinder pressure
required on all new SCBA

51

EBSS

emergency breathing support system
5-10 minute emergency egress cylinder
"hip air"
part of SAR systems

52

SAR systems enable FF to travel up to _____ .

300'

53

Closed-Circuit SCBA are available in durations of _____ and usually weigh ____ than open-circuit SCBAs because of their ______ .

30 minutes to 4 hr
less
smaller cylinders

54

NIST

national institute of standards and technology

55

According to NIST, PASS devices may have a significantly reduced alarm signal at temps as low as _____ .

300 degrees F

56

Retrain ____ a year with PASS devices.

2x

57

NFPA 1404

Std. on FS Respiratory Protection Training

58

Positive pressure can be checked by ______ .

placing two fingers under the mask seal and feeling for air moving past your fingers

59

Hydrostatic Test

uses water under pressure to check the integrity of pressure containers.

60

Air cylinders must have the _____ stamped on them and they must be hydrostatically tested every _____ .

date of manufacture
5 years for steel or aluminum
3 years for composite

61

SCBA are required to be inspected ______

weekly/monthly/annually/after each use

62

3 safety precautions for filling SCBA cylinders

place in a shielded fill station
fill slowly to prevent overheating
completely fill but don't over pressurize

63

Cascade System

series of at least 3, 300 cubic foot cylinders used to fill SCBAs

64

3 conditions that must be met to allow SCBA(with RIC/UACs) refilling on a FF's back

NIOSH approved fill options are used.
procedures in place to limit personnel exposure and provide adequate inspection and member safety.
imminent life threatening situation requiring immediate action.

65

all FF certified to wear SCBA must be fit tested ______ .

annually

66

In an IDLH atmosphere, FF must remain in _______ in addition to radio contact.

physical, voice, or visual contact

67

If necessary to use the bypass valve, u must ______ .

intermittently open and close the bypass valve to allow air into the mask.

68

Follow the ______ of the hose line to exit.

male couplings

69

PAR

personnel accountability report
roll call of all personnel assigned to an incident. the supervisor of each unit reports the status of his personnel to the IC.

70

11 things to do if lost or disoriented in a burning structure

declare a mayday.
activate your PASS.
stop, relax, slow breathing, think.
hold breath and listen.
follow hose line if possible.
crawl in a straight line.
make all the same turns.
call for directions, call out, make noise.
break window/breach wall.
if nearing unconsciousness, remain near a wall and aim flashlight toward ceiling.
use rope if possible.

71

Tag Line

non load-bearing rope attached to an object/person to help steer it or act as a safety line.

72

Salvage Cover

waterproof cover used to protect furniture and building areas from heat, smoke, and water. can be used for ground cover to place equipment.

73

When should FF check their air supply?

at beginning of shift
when donning, prior to entry into IDLH
while working every 5-10 min
during egress every 2-3 min
when refilling cylinder
when replacing cylinder

74

8 guidelines for helmet care

remove dirt/soot from shell.
remove chemicals/oils/petroleum products ASAP.
replace helmets that do not fit.
replace damaged helmets.
replace damaged face shields.
inspect suspension systems.
consult manufacturer if needs repainting.
remove from service if comes in contact with hydraulic oil.

75

4 SCBA assemblies

cylinder
harness
regulator
face piece

76

5 checks before donning SCBA

air supply (90%).
gauges within 100psi.
fully extended straps.
operate all valves to ensure proper function and that they are in the correct position.
check PASS

77

5 pre-donning checks plus these 3 more checks for daily/weekly inspections include ______ .

check all hose connections
check face piece
check low pressure alarm

78

Always bleed lines before disconnecting because it might cause ______ if forgotten.

O-ring damage

79

Remember to quickly _____ to clear debris prior to connecting cylinder to 1st stage regulator.

open and close the cylinder valve