問題一覧
1
what is the correct actuon to take if a written item needs to be corrected or removed from the sterilization load record?
draw a line through the item and initial
2
which of the following is the recommended cycle for processing decontaminated instruments from a suspected CJD case?
18 mins, 273F (134C), Prevacid cycle
3
special chemical indicators for LTGP change color:
from red to yellow
4
in the anatomy of steam sterilizer, what is surrounding the internal chamber?
sterilizer jacket
5
which of the following is recommended sterilizer setting for the Bowie dick test?
3 to 3 1/2 mins at 270F (132C) dynamic air removal
6
E.O. kill’s microorganisms by
alkylation
7
what phase of LTGP does the radiofrequency energy ionizes the h2o2 creations gas plasma that then recombines to form oxygen and water when the power is turned off?
plasma
8
special medication/solution can only be processed in
gravity displacement liquid cycle
9
exposure time, concentration, humidity, and temperature are the basic parameters of
100% ethylene oxide
10
generally, the ethylene oxide process challenge device (biological test pack) is placed in the
geometric center of the load
11
during qualification testing of steam sterilizers, when should the BI PCD tests be performed?
before the Bowie dick tests
12
it is necessary to perform a sterilizer qualification testing, expect
monthly
13
the following medical devices are incompatible with ozone sterilizers:
all of the above
14
stacking of rigid sterilization containers on the autoclave rack is permitted when
the manufacturer provides technical data showing that it is acceptable
15
In a mixed load of textile and metal goods, the textile packs should be placed
on the top rack
16
all are typical aeration time and temps in E.O. sterilized devices EXPECT:
12 hours @125F
17
air and steam both exit through
chamber drain line
18
how many spores does a vial of a biological indicator have?
100000
19
aluminum foil is the package of the choice for which sterilizer
dry heat
20
the most unique feature of a chemical integrator is it’s ability to:
perform in parallel to a BI
21
a control BI should always be positive and turn
yellow
22
what are the 2 basic types of sterilization cycles in dry heat?
condensation and moisture
23
most common cause of sterilization failures are due to:
human error
24
which sterilization process kills by diffusion?
LTGP
25
when handling ethylene oxide full cartridges, personnel should NOT wear:
latex gloves
26
chemical indicator of choice for low temp gas plasma is:
none of the above
27
what is used to verify that the steam sterilizer air removal mechanism is functioning properly?
Bowie dick test
28
when a one of a kind instrument is contaminated which sterilizer should be used?
immediate use steam sterilizer
29
a multi variable indicator is also known as what class?
class 4
30
a pre vacuum cycle gave a print out as follows: 4 mins. at 270F, 28-30psi, what do you do the load?
release the load for use
31
I’m a steam sterilizer, how much space should be between the chamber wall and packs
1 inch
32
time and temperature are parameters for
dry heat
33
what is the correct sterilizer-setting for the dynamic air removal test?
3 1/2 -4 mins, 270F pre vac
34
a low temp gas plasma sterilized temp varies from
113F-131F
35
what is the temperature range for the incubation of a biological indicator for steam sterilization?
131F-140F
36
which of the following microorganisms is used to biologically monitor the dry heat sterilizer?
bacillus atrophaeus
37
the three parameters of steam sterilization are
steam under pressure, time and temperature
38
AAMI recommends tajy rigid sterilization containers be biologically tested before purchase and annually to verify that the
sterilizer is able to sterilize the contents
39
which action should be taken when a wet pack is noted when unloading the sterilizer?
reprocess the item
40
which of the following microorganisms is used to biologically monitor the steam sterilizer?
geobacillus stearithermophilus
41
which of the following microorganisms is used to biologically monitor the ozone sterilizer?
geobacillus stearothermophilus
42
In the LTGP, the most effective sterilized performance is achieved when the load contains?
a mixture of metal and plastics
43
in low temperature hydrogen peroxide, when the chemical indicator is unprocessed and not exposed to h2o2; what color should it show?
purple
44
a biological indicator monitors all loads containing
implantable devices
45
which sterilization method only has three phases of conditioning, sterilization, and aeration?
LTHP
46
a clogged drain line in the steam sterilizer can contribute to:
all of the above
47
in the event of a positive BI, how many loads should be recalled?
all loads back to the last negative BI
48
in non-tabletop steam sterilizers,where are PCDs places to present the greatest challenge to the steam sterilizers
over the drain
49
An integrating indicator is under which class
class 5
50
a positive BI shows that the sterilization process:
did not kill all the test spores
51
which sterilization method recommended a the use of an assembled BI CPD which is consist of a BI placed inside a catheter tipped syringe and a sterilizer specific CI placed inside a sealed sterilization pouch?
ozone
52
ethylene oxide is regulated by these agencies EXOECT for:
CDC
53
To reduce the potential for contamination packs, removed from the sterilization should be allowed to cool for how long?
30-120mins
54
what are the two cycles in a steam sterilizer?
dynamic air removal and gravity displacement
55
the spore geobacillus stearothermophilus is used in biological indicators to test efficiency of sterilization methods expect
ethylene oxide
56
humidity is critical to E.O penetration of what?
bacterial cells
57
flexible endoscope, implants, and a women textiles are incompatible with
ozone
58
the purpose of pre-conditioning a steam load is to:
reduce the amount of condensate that forms
59
most common form of sterilization is
steam
60
contamination of sterilized packs is most likely to occur
within the first hour after sterilization
61
routine maintenance of sterilizers should be done
on a regular basis according to M.I
62
sterilization printouts must be signed:
at the end of each cycle
63
for sterilization, these sets MUST BE positioned on their sides
basin sets
64
which of the following best describes the minimum exposure time, temperature and pressure for pre-vacuum sterilization of wrapped items?
4 mins, 270F, 28-30psi
65
this occurs when heat is added to dry steam in the absence of water
superheating
66
which of the following microorganisms is used to biologically monitor the low-temperature gas plasma sterilizer?
geobacillus stearothermophilus
67
what is the sterility assurance level for sterilizers?
99
68
a wrapped set of instruments to be sterilized must at least:
2 chemical indicators
69
which of the following is the minimum exposure time for wrapped good in a dynamic-air-removal steam cycle at 275F (135C) and 28 to 30 psi?
10 minutes
70
which is an example of physical monitoring?
print outs
71
osha does not permit more than one days supply of 100% EO cartridges stored in the department to exceed this number:
12
72
microbial kill by oxidation is associated with which sterilization method?
all the above
73
the parameters for LTHP are:
time, temp, and hydrogen peroxide concentration
74
AAMI now recommends the orthopedic sets weigh no more than:
25lbs
75
steam pressure entering the sterilizer is recommended at a range of:
60-80psi
76
the parameters for low temperature gas plasma sterilization are
time,temperature,and hydrogen peroxide gas plasma
77
which must sterilized with an accompanying BI?
total hip replacement
78
generally, if a biological test is performed daily, how often is it necessary to incubate a control biological indicator?
once a day and if a new lot number is used
79
what percent of relative dryness should the incoming steam be?
97%-100%
80
which method of sterilization is used to sterilize liquids?
gravity steam
81
items being unloaded from the steam sterilizer should be handled with
clean hands
82
during steam sterilization, which phase lasts about 30 mins?
drying
83
drains in both pre-vac and gravity displacement sterilizers are places at the bottom front of the sterilizer:
because air tends concentrate at the bottom of the chamber
84
the Bowie dick test is considered which type of monitoring process?
chemical
85
The process by which all forms of microbial, including spores, are destroyed is known as
sterilization
86
for testing of rigid sterilization containers, the biological indicators should be placed
as recommended by the manufacturer of the container
87
a control bi is used to verify which of the following?
all of the above
88
which of the following monitoring methods verifies that conditions within the load were adequate to kill bacterial sores?
biological
89
using an infrared thermometer, a pack gave a reading of 75F, what do you do with the pack?
remove from the sterilizer cart
90
when performing the routine Maintenance and cleaning of the steam sterilizers, what are the 2 most important parts to check?
drain line basket and the door gasket
91
which phase of the sterilization cycle in LTGP does the chamber return to atmospheric pressure if h2o2 vapor is driven into the devices to inactive microorganisms?
diffusion
92
the steam sterilizers heat sensing thermometer is located in the
drain line
93
which wrapping material should be used for LTGP sterilization?
all plastic pouches
94
the part of an ethylene oxide cycle when the sterilizer chamber is held at the specified temperature, concentration and time is called
exposure
95
Loa tempature gas plasma sterilization uses liquid hydrogen peroxide at what concentration
59%
96
steam sterilization occurs by a process called:
condensation
97
what term is used to describe the most difficult to sterilize tray that is representative from each family of instruments sets that is used for product testing?
master product
98
a loaner instrument has been contaminated during a procedure and the operating room wants to sterilize it in the immediate use steam sterilizer. which of the following is the first step to take?
consult the manufacturers written instructions for approved sterilization methods and parameters
99
which spore is used to biologically monitor ethylene oxide?
bacillus atrophaeus
100
which of the following does not affect drying time in a steam sterilizer?
exposure time