Test FF Flashcards
0
Q
vegetative bacteria
A
easily killed
sunlight
1
Q
what is the purpose of sterilization?
A
to kill all microorganisms
2
Q
capsule formers
A
need something stronger to kill it
3
Q
spore-former
A
very difficult to kill
tetanus
4
Q
methods of decreasing bacterial populations
A
sunlight cold pasteurization filtration desiccation boiling water
5
Q
steam under pressure
A
Practical
Dependable
Economical
6
Q
three things for any sterilization
A
time
temperature
concentration of sterilant
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
8
Q
example of what would use steam under pressure
A
vaseline
9
Q
what type of heat is steam under pressure?
A
dry heat
10
Q
what is necessary to achieve higher temperature?
A
pressure
11
Q
thermal death time
A
shortest period of time to kill a known population of MO at a given temperature
12
Q
factors influencing steam sterilization
A
clean
packaging-allow penetration
loading- shouldn’t touch the sides
dry
13
Q
what happens for steam if the package is wet?
A
strike through if still wet
14
Q
types of steam sterilizers
A
gravity (downward displacement)
high speed or “flash”
prevacuum
15
Q
example of gravity (downward) displacement sterilizer wrapped
A
Kelly
gown pack
16
Q
disadvantages of flash sterilizer
A
no linen, gloves, or rubber
17
Q
advantage of flash sterilizer
A
shorter time
18
Q
can the flash sterilizer be used routinely?
A
no it shouldn’t be
19
Q
flash sterilizer metal instruments unwrapped
A
3 minutes at 270 degrees F
20
Q
flash sterilizer covered/padded
A
10 minutes at 270 degrees F
21
Q
flash sterilizer rubber catheters
A
10 minutes at 270 degrees F
22
Q
rule for sterilizer
A
when you add more supplies, time goes up
23
Q
pre vacuum sterilizer
A
air pumped out
heating time decresed
loaded full
24
another name for prevacuum sterilizer
dynamic removal sterilizer
25
key for pre vacuum sterilizer
packs dry at completed!!!!
26
what is the preferred method??
prevacuum because it has a pump
27
time for pre vacuum sterilizer
275 for 3-5 minutes
28
instrument washer sterilizer
not used for sterilization!!!
| cleaning and decontamination
29
temperature for instrument washer sterilizer
270 degrees F
30
Is dry heat sterilizer still used?
no longer practical
31
time for dry heat sterilizer
320 for 2 hours
32
ethylene oxide (gas)
kills all MO's
33
down fall to ethylene oxide
you need an experienced operator
very expensive, can be lengthy
flammable
34
rule about ethylene oxide
if water is present on tubing or instrument EO will bind with water and creates toxic substance ethylene glycol which is really bad
35
EO gas supplies
gas indicator strip
| gas indicator tape
36
add to control for steam and chemical test
geobacillus sterothermophilus
37
add to control for gas
plama bacillus atrophaeus
38
what happens to the tape when it goes through machine?
it turns black
39
ionizing radiation (electron beam sterilization)
prepackaged items (gloves, scrub brush)
40
what does ionizing radiation do?
bacterial cell death- messes with DNA and RNA
41
What is steris (peracetic acid) used for?
for scopes, lenses
42
advantages of steris
short cycle
nontoxic
computerized
43
what is steris?
chemical
| Peracetic avid
44
plasma sterilizer
liquid solution of hydrogen peroxide
| radio frequency
45
downfall of plasma sterilizer
can't use paper or linen
| chambers are small
46
another name for plasma sterilizer
sterrad
47
sterile indicators
```
tape
strips
charts
print outs
trained personnel
```
48
ultra sonic cleaner
doesn't sterilize
| cleans by vibrations
49
what does ultra sonic cleaner do?
makes a bubble bath and then the bubbles pop (cavitation)
50
instrument processing decontamination steps
cleaning is first- most important
sterilization or disinfection is next
use or proper storage of item last
51
non critical
just comes in contact with the skin
| stethoscope, BP cuff
52
semi critical
mucous membrane
| broncoscope, tongue depressor
53
critical
instruments during surgery
54
lumen for ethylene oxide
is dry
55
mercurials
low level disinfectant
56
phenolic compounds
intermediate level disinfectant
| Cleaning furniture and floors, bactericidal and tuberculodical
57
quaternary
intermediate level disinfectant
58
alcohols
intermediate level disinfectant
59
glutaraldehyde
high level disinfectant
| cidex
60
when does glutaraldehyde kill vegetative organisms?
5 minutes
61
glutaraldehyde tuberculocidal
20 minutes
62
glutaraldehyde spores
10 hours
63
glutaraldehyde expiration
once it is activated/mixed with liquid, it has an expiration date 14-28 days
64
sodium hypoclorite
high level disinfectant
| household bleach
65
low alcohol surface disinfectants
high level disinfectant
66
superheating
reused wrapper without washing, or if washed wasn't done correctly
67
muslin
4 layers, 2 wrappers
68
nonwoven
2 layers, 1 wrapper
69
terminal cleaning
at the end of the day
70
cleaning wall
top to bottom
71
what does high level disinfectant do?
kills everything but spores
72
maximum weight for linen, packs
12 pounds
73
maximum size for linen, packs
12x12x20
74
maximum size for instrument pan
25
75
What is phenolic good for?
Furniture
76
how do lumens in needles need to be packaged in glass tubes or paper?
moist
77
What is sodium hypochlorite good for?
Surfaces, floors, and equipment
78
How long does linen pack take at 250 degrees F?
30 minutes
79
Why are instruments cleaned thoroughly before sterilization?
To get off gross debris, grease, oil
80
What happens to organisms to cause death?
Protein inside cell coagulates
81
3 ways to clean instruments
Hand washing
Ultra sonic
Washer sterilizer
82
How should instrument pan bottoms be?
Mesh or perforated bottoms
83
How should basin sets be wrapped?
With open end in same direction
84
The chemical agent that inhibits the growth of micro organisms without necessarily killing them
Anti-septic
85
Most common agent in irradiation sterilization
Cobalt 60
86
Usual temperature in a gas sterilizer
85 to 145
87
What is essential when using activated GLUTARALDEHYDE?
Items must be rinsed thoroughly and sterile water before use
88
What can activated GLUTARALDEHYDE due to instruments?
Corrosive to them
89
Kills pathogenic microorganisms on inanimate surfaces
Disinfectant
90
What does phenolic all fall under?
Bactericidal
Fungicidal
Tuberculocidal
91
What is EO sterilization dependent on?
Gas concentration, temperature, humidity and exposure time
92
What is polypropylene?
Plastic
93
What is used to clean floors, walls, and surgical scrub solutions?
Iodophors
94
Why are packages loaded in a vertical position?
To allow for penetration for all of the packs because otherwise the air may be trapped in layers of the packs
95
What is the bacillus that is the most difficult to kill by steam?
Geobacillis stearothermophilus
96
Who is the recipient of proper sterilization?
The patient
97
What is autoclaving?
Steam under pressure
98
How are linen packs sterilized?
Steam sterilizer
99
When is hydrogen peroxide broken down during plasma sterilization?
When radio frequency is added
100
What is the most reliable method of sterilization?
Steam under pressure
101
What is cleaning and disinfecting?
Decontamination
102
Event related
How it is handled
103
How are endoscopic instruments sterilized?
Gas sterilizer
104
Best method for telling if item was sterilized
Biological controls
105
What does GLUTARALDEHYDE do to your skin?
Causes skin irritation
106
Bacteriostatic
Inhibit activity of bacteria
107
Bactericidal
Destructive to bacteria
108
How is a camera sterilized?
EO
109
Disinfectant
Kills most microbes, used in inanimate objects
110
What is good for hand scrubs and prepping patients
Iodine and iodophors
111
Ethyl
70-90 equally effective
112
Isopropyl
70 or more, more effective
113
Used to disinfect large surfaces
Phenol
114
unwrapped instruments downward displacement (steam) 250F
15 minutes
115
instruments padded tray downward displacement (steam) 250F
30 minutes
116
rubber catheters unwrapped downward displacement (steam) 250F
20 minutes
117
utensils unwrapped downward displacement (steam) 250F
15 minutes
118
instruments unwrapped flash 270F
3 minutes
119
instruements padded flash 270F
10 minutes
120
rubber catheters unwrapped flash 270F
10 minutes
121
utensils unwrapped flash 270F
3 minutes
