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Test FF Flashcards

0
Q

vegetative bacteria

A

easily killed

sunlight

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1
Q

what is the purpose of sterilization?

A

to kill all microorganisms

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2
Q

capsule formers

A

need something stronger to kill it

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3
Q

spore-former

A

very difficult to kill

tetanus

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4
Q

methods of decreasing bacterial populations

A 
sunlight
cold
pasteurization
filtration
desiccation
boiling water
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5
Q

steam under pressure

A

Practical
Dependable
Economical

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6
Q

three things for any sterilization

A

time
temperature
concentration of sterilant

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7
Q

principles of steam

A

steam at the proper temperature and for the proper time, must reach every fiber or particle of every object in order to produce sterility

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8
Q

example of what would use steam under pressure

A

vaseline

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9
Q

what type of heat is steam under pressure?

A

dry heat

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10
Q

what is necessary to achieve higher temperature?

A

pressure

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11
Q

thermal death time

A

shortest period of time to kill a known population of MO at a given temperature

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12
Q

factors influencing steam sterilization

A

clean
packaging-allow penetration
loading- shouldn’t touch the sides
dry

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13
Q

what happens for steam if the package is wet?

A

strike through if still wet

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14
Q

types of steam sterilizers

A

gravity (downward displacement)
high speed or “flash”
prevacuum

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15
Q

example of gravity (downward) displacement sterilizer wrapped

A

Kelly

gown pack

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16
Q

disadvantages of flash sterilizer

A

no linen, gloves, or rubber

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17
Q

advantage of flash sterilizer

A

shorter time

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18
Q

can the flash sterilizer be used routinely?

A

no it shouldn’t be

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19
Q

flash sterilizer metal instruments unwrapped

A

3 minutes at 270 degrees F

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20
Q

flash sterilizer covered/padded

A

10 minutes at 270 degrees F

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21
Q

flash sterilizer rubber catheters

A

10 minutes at 270 degrees F

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22
Q

rule for sterilizer

A

when you add more supplies, time goes up

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23
Q

pre vacuum sterilizer

A

air pumped out
heating time decresed
loaded full

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24
Q

another name for prevacuum sterilizer

A

dynamic removal sterilizer

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25
Q

key for pre vacuum sterilizer

A

packs dry at completed!!!!

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26
Q

what is the preferred method??

A

prevacuum because it has a pump

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27
Q

time for pre vacuum sterilizer

A

275 for 3-5 minutes

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28
Q

instrument washer sterilizer

A

not used for sterilization!!!

cleaning and decontamination

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29
Q

temperature for instrument washer sterilizer

A

270 degrees F

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30
Q

Is dry heat sterilizer still used?

A

no longer practical

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31
Q

time for dry heat sterilizer

A

320 for 2 hours

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32
Q

ethylene oxide (gas)

A

kills all MO’s

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33
Q

down fall to ethylene oxide

A

you need an experienced operator
very expensive, can be lengthy
flammable

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34
Q

rule about ethylene oxide

A

if water is present on tubing or instrument EO will bind with water and creates toxic substance ethylene glycol which is really bad

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35
Q

EO gas supplies

A

gas indicator strip

gas indicator tape

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36
Q

add to control for steam and chemical test

A

geobacillus sterothermophilus

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37
Q

add to control for gas

A

plama bacillus atrophaeus

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38
Q

what happens to the tape when it goes through machine?

A

it turns black

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39
Q

ionizing radiation (electron beam sterilization)

A

prepackaged items (gloves, scrub brush)

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40
Q

what does ionizing radiation do?

A

bacterial cell death- messes with DNA and RNA

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41
Q

What is steris (peracetic acid) used for?

A

for scopes, lenses

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42
Q

advantages of steris

A

short cycle
nontoxic
computerized

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43
Q

what is steris?

A

chemical

Peracetic avid

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44
Q

plasma sterilizer

A

liquid solution of hydrogen peroxide

radio frequency

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45
Q

downfall of plasma sterilizer

A

can’t use paper or linen

chambers are small

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46
Q

another name for plasma sterilizer

A

sterrad

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47
Q

sterile indicators

A 
tape
strips
charts
print outs
trained personnel
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48
Q

ultra sonic cleaner

A

doesn’t sterilize

cleans by vibrations

49
Q

what does ultra sonic cleaner do?

A

makes a bubble bath and then the bubbles pop (cavitation)

50
Q

instrument processing decontamination steps

A

cleaning is first- most important
sterilization or disinfection is next
use or proper storage of item last

51
Q

non critical

A

just comes in contact with the skin

stethoscope, BP cuff

52
Q

semi critical

A

mucous membrane

broncoscope, tongue depressor

53
Q

critical

A

instruments during surgery

54
Q

lumen for ethylene oxide

A

is dry

55
Q

mercurials

A

low level disinfectant

56
Q

phenolic compounds

A

intermediate level disinfectant

Cleaning furniture and floors, bactericidal and tuberculodical

57
Q

quaternary

A

intermediate level disinfectant

58
Q

alcohols

A

intermediate level disinfectant

59
Q

glutaraldehyde

A

high level disinfectant

cidex

60
Q

when does glutaraldehyde kill vegetative organisms?

A

5 minutes

61
Q

glutaraldehyde tuberculocidal

A

20 minutes

62
Q

glutaraldehyde spores

A

10 hours

63
Q

glutaraldehyde expiration

A

once it is activated/mixed with liquid, it has an expiration date 14-28 days

64
Q

sodium hypoclorite

A

high level disinfectant

household bleach

65
Q

low alcohol surface disinfectants

A

high level disinfectant

66
Q

superheating

A

reused wrapper without washing, or if washed wasn’t done correctly

67
Q

muslin

A

4 layers, 2 wrappers

68
Q

nonwoven

A

2 layers, 1 wrapper

69
Q

terminal cleaning

A

at the end of the day

70
Q

cleaning wall

A

top to bottom

71
Q

what does high level disinfectant do?

A

kills everything but spores

72
Q

maximum weight for linen, packs

A

12 pounds

73
Q

maximum size for linen, packs

A

12x12x20

74
Q

maximum size for instrument pan

A

25

75
Q

What is phenolic good for?

A

Furniture

76
Q

how do lumens in needles need to be packaged in glass tubes or paper?

A

moist

77
Q

What is sodium hypochlorite good for?

A

Surfaces, floors, and equipment

78
Q

How long does linen pack take at 250 degrees F?

A

30 minutes

79
Q

Why are instruments cleaned thoroughly before sterilization?

A

To get off gross debris, grease, oil

80
Q

What happens to organisms to cause death?

A

Protein inside cell coagulates

81
Q

3 ways to clean instruments

A

Hand washing
Ultra sonic
Washer sterilizer

82
Q

How should instrument pan bottoms be?

A

Mesh or perforated bottoms

83
Q

How should basin sets be wrapped?

A

With open end in same direction

84
Q

The chemical agent that inhibits the growth of micro organisms without necessarily killing them

A

Anti-septic

85
Q

Most common agent in irradiation sterilization

A

Cobalt 60

86
Q

Usual temperature in a gas sterilizer

A

85 to 145

87
Q

What is essential when using activated GLUTARALDEHYDE?

A

Items must be rinsed thoroughly and sterile water before use

88
Q

What can activated GLUTARALDEHYDE due to instruments?

A

Corrosive to them

89
Q

Kills pathogenic microorganisms on inanimate surfaces

A

Disinfectant

90
Q

What does phenolic all fall under?

A

Bactericidal
Fungicidal
Tuberculocidal

91
Q

What is EO sterilization dependent on?

A

Gas concentration, temperature, humidity and exposure time

92
Q

What is polypropylene?

A

Plastic

93
Q

What is used to clean floors, walls, and surgical scrub solutions?

A

Iodophors

94
Q

Why are packages loaded in a vertical position?

A

To allow for penetration for all of the packs because otherwise the air may be trapped in layers of the packs

95
Q

What is the bacillus that is the most difficult to kill by steam?

A

Geobacillis stearothermophilus

96
Q

Who is the recipient of proper sterilization?

A

The patient

97
Q

What is autoclaving?

A

Steam under pressure

98
Q

How are linen packs sterilized?

A

Steam sterilizer

99
Q

When is hydrogen peroxide broken down during plasma sterilization?

A

When radio frequency is added

100
Q

What is the most reliable method of sterilization?

A

Steam under pressure

101
Q

What is cleaning and disinfecting?

A

Decontamination

102
Q

Event related

A

How it is handled

103
Q

How are endoscopic instruments sterilized?

A

Gas sterilizer

104
Q

Best method for telling if item was sterilized

A

Biological controls

105
Q

What does GLUTARALDEHYDE do to your skin?

A

Causes skin irritation

106
Q

Bacteriostatic

A

Inhibit activity of bacteria

107
Q

Bactericidal

A

Destructive to bacteria

108
Q

How is a camera sterilized?

A

EO

109
Q

Disinfectant

A

Kills most microbes, used in inanimate objects

110
Q

What is good for hand scrubs and prepping patients

A

Iodine and iodophors

111
Q

Ethyl

A

70-90 equally effective

112
Q

Isopropyl

A

70 or more, more effective

113
Q

Used to disinfect large surfaces

A

Phenol

114
Q

unwrapped instruments downward displacement (steam) 250F

A

15 minutes

115
Q

instruments padded tray downward displacement (steam) 250F

A

30 minutes

116
Q

rubber catheters unwrapped downward displacement (steam) 250F

A

20 minutes

117
Q

utensils unwrapped downward displacement (steam) 250F

A

15 minutes

118
Q

instruments unwrapped flash 270F

A

3 minutes

119
Q

instruements padded flash 270F

A

10 minutes

120
Q

rubber catheters unwrapped flash 270F

A

10 minutes

121
Q

utensils unwrapped flash 270F

A

3 minutes

ST (35 decks)

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