CHAPTER 8

100問 • 2年前

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問題一覧

The process by which all forms of microbial, including spores, are destroyed is known as

sterilization

the steam sterilizers heat sensing thermometer is located in the

drain line

in non-tabletop steam sterilizers,where are PCDs places to present the greatest challenge to the steam sterilizers

over the drain

the three parameters of steam sterilization are

steam under pressure, time and temperature

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

when a one of a kind instrument is contaminated which sterilizer should be used?

immediate use steam sterilizer

during steam sterilization, which phase lasts about 30 mins?

drying

which of the following is the recommended cycle for processing decontaminated instruments from a suspected CJD case?

18 mins, 273F (134C), Prevacid cycle

most common form of sterilization is

steam

which method of sterilization is used to sterilize liquids?

gravity steam

which action should be taken when a wet pack is noted when unloading the sterilizer?

reprocess the item

this occurs when heat is added to dry steam in the absence of water

superheating

a control BI should always be positive and turn

yellow

In a mixed load of textile and metal goods, the textile packs should be placed

on the top rack

for sterilization, these sets MUST BE positioned on their sides

basin sets

stacking of rigid sterilization containers on the autoclave rack is permitted when

the manufacturer provides technical data showing that it is acceptable

what is used to verify that the steam sterilizer air removal mechanism is functioning properly?

Bowie dick test

which of the following monitoring methods verifies that conditions within the load were adequate to kill bacterial sores?

biological

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

the Bowie dick test is considered which type of monitoring process?

chemical

An integrating indicator is under which class

class 5

which of the following microorganisms is used to biologically monitor the steam sterilizer?

geobacillus stearithermophilus

special medication/solution can only be processed in

gravity displacement liquid cycle

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

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

a biological indicator monitors all loads containing

implantable devices

for testing of rigid sterilization containers, the biological indicators should be placed

as recommended by the manufacturer of the container

contamination of sterilized packs is most likely to occur

within the first hour after sterilization

items being unloaded from the steam sterilizer should be handled with

clean hands

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

air and steam both exit through

chamber drain line

what are the two cycles in a steam sterilizer?

dynamic air removal and gravity displacement

exposure time, concentration, humidity, and temperature are the basic parameters of

100% ethylene oxide

humidity is critical to E.O penetration of what?

bacterial cells

the part of an ethylene oxide cycle when the sterilizer chamber is held at the specified temperature, concentration and time is called

exposure

E.O. kill’s microorganisms by

alkylation

generally, the ethylene oxide process challenge device (biological test pack) is placed in the

geometric center of the load

AAMI recommends tajy rigid sterilization containers be biologically tested before purchase and annually to verify that the

sterilizer is able to sterilize the contents

during qualification testing of steam sterilizers, when should the BI PCD tests be performed?

before the Bowie dick tests

routine maintenance of sterilizers should be done

on a regular basis according to M.I

the parameters for low temperature gas plasma sterilization are

time,temperature,and hydrogen peroxide gas plasma

which of the following microorganisms is used to biologically monitor the low-temperature gas plasma sterilizer?

geobacillus stearothermophilus

a low temp gas plasma sterilized temp varies from

113F-131F

which of the following microorganisms is used to biologically monitor the ozone sterilizer?

geobacillus stearothermophilus

aluminum foil is the package of the choice for which sterilizer

dry heat

which of the following microorganisms is used to biologically monitor the dry heat sterilizer?

bacillus atrophaeus

how many spores does a vial of a biological indicator have?

100000

what is the temperature range for the incubation of a biological indicator for steam sterilization?

131F-140F

in the event of a positive BI, how many loads should be recalled?

all loads back to the last negative BI

steam sterilization occurs by a process called:

condensation

a positive BI shows that the sterilization process:

did not kill all the test spores

I’m a steam sterilizer, how much space should be between the chamber wall and packs

1 inch

which must sterilized with an accompanying BI?

total hip replacement

all are typical aeration time and temps in E.O. sterilized devices EXPECT:

12 hours @125F

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

chemical indicator of choice for low temp gas plasma is:

none of the above

microbial kill by oxidation is associated with which sterilization method?

all the above

AAMI now recommends the orthopedic sets weigh no more than:

25lbs

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

Loa tempature gas plasma sterilization uses liquid hydrogen peroxide at what concentration

59%

which is an example of physical monitoring?

print outs

a wrapped set of instruments to be sterilized must at least:

2 chemical indicators

which sterilization method only has three phases of conditioning, sterilization, and aeration?

LTHP

most common cause of sterilization failures are due to:

human error

a multi variable indicator is also known as what class?

class 4

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

the purpose of pre-conditioning a steam load is to:

reduce the amount of condensate that forms

flexible endoscope, implants, and a women textiles are incompatible with

ozone

osha does not permit more than one days supply of 100% EO cartridges stored in the department to exceed this number:

steam pressure entering the sterilizer is recommended at a range of:

60-80psi

which spore is used to biologically monitor ethylene oxide?

bacillus atrophaeus

the most unique feature of a chemical integrator is it’s ability to:

perform in parallel to a BI

time and temperature are parameters for

dry heat

what is the correct sterilizer-setting for the dynamic air removal test?

3 1/2 -4 mins, 270F pre vac

To reduce the potential for contamination packs, removed from the sterilization should be allowed to cool for how long?

30-120mins

sterilization printouts must be signed:

at the end of each cycle

which wrapping material should be used for LTGP sterilization?

all plastic pouches

special chemical indicators for LTGP change color:

from red to yellow

which sterilization process kills by diffusion?

LTGP

a control bi is used to verify which of the following?

all of the above

which of the following does not affect drying time in a steam sterilizer?

exposure time

using an infrared thermometer, a pack gave a reading of 75F, what do you do with the pack?

remove from the sterilizer cart

the parameters for LTHP are:

time, temp, and hydrogen peroxide concentration

in the anatomy of steam sterilizer, what is surrounding the internal chamber?

sterilizer jacket

the spore geobacillus stearothermophilus is used in biological indicators to test efficiency of sterilization methods expect

ethylene oxide

what percent of relative dryness should the incoming steam be?

97%-100%

when handling ethylene oxide full cartridges, personnel should NOT wear:

latex gloves

In the LTGP, the most effective sterilized performance is achieved when the load contains?

a mixture of metal and plastics

what are the 2 basic types of sterilization cycles in dry heat?

condensation and moisture

the following medical devices are incompatible with ozone sterilizers:

all of the above

it is necessary to perform a sterilizer qualification testing, expect

monthly

a clogged drain line in the steam sterilizer can contribute to:

all of the above

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

in low temperature hydrogen peroxide, when the chemical indicator is unprocessed and not exposed to h2o2; what color should it show?

purple

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

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

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

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

ethylene oxide is regulated by these agencies EXOECT for:

CDC

100

what is the sterility assurance level for sterilizers?

CHAPTER 1 & 2

CHAPTER 1 & 2

CHAPTER 7

CHAPTER 7

CHAPTER 3, 4, & 6

CHAPTER 3, 4, & 6

問題一覧

The process by which all forms of microbial, including spores, are destroyed is known as

sterilization

the steam sterilizers heat sensing thermometer is located in the

drain line

in non-tabletop steam sterilizers,where are PCDs places to present the greatest challenge to the steam sterilizers

over the drain

the three parameters of steam sterilization are

steam under pressure, time and temperature

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

when a one of a kind instrument is contaminated which sterilizer should be used?

immediate use steam sterilizer

during steam sterilization, which phase lasts about 30 mins?

drying

which of the following is the recommended cycle for processing decontaminated instruments from a suspected CJD case?

18 mins, 273F (134C), Prevacid cycle

most common form of sterilization is

steam

which method of sterilization is used to sterilize liquids?

gravity steam

which action should be taken when a wet pack is noted when unloading the sterilizer?

reprocess the item

this occurs when heat is added to dry steam in the absence of water

superheating

a control BI should always be positive and turn

yellow

In a mixed load of textile and metal goods, the textile packs should be placed

on the top rack

for sterilization, these sets MUST BE positioned on their sides

basin sets

stacking of rigid sterilization containers on the autoclave rack is permitted when

the manufacturer provides technical data showing that it is acceptable

what is used to verify that the steam sterilizer air removal mechanism is functioning properly?

Bowie dick test

which of the following monitoring methods verifies that conditions within the load were adequate to kill bacterial sores?

biological

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

the Bowie dick test is considered which type of monitoring process?

chemical

An integrating indicator is under which class

class 5

which of the following microorganisms is used to biologically monitor the steam sterilizer?

geobacillus stearithermophilus

special medication/solution can only be processed in

gravity displacement liquid cycle

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

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

a biological indicator monitors all loads containing

implantable devices

for testing of rigid sterilization containers, the biological indicators should be placed

as recommended by the manufacturer of the container

contamination of sterilized packs is most likely to occur

within the first hour after sterilization

items being unloaded from the steam sterilizer should be handled with

clean hands

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

air and steam both exit through

chamber drain line

what are the two cycles in a steam sterilizer?

dynamic air removal and gravity displacement

exposure time, concentration, humidity, and temperature are the basic parameters of

100% ethylene oxide

humidity is critical to E.O penetration of what?

bacterial cells

the part of an ethylene oxide cycle when the sterilizer chamber is held at the specified temperature, concentration and time is called

exposure

E.O. kill’s microorganisms by

alkylation

generally, the ethylene oxide process challenge device (biological test pack) is placed in the

geometric center of the load

AAMI recommends tajy rigid sterilization containers be biologically tested before purchase and annually to verify that the

sterilizer is able to sterilize the contents

during qualification testing of steam sterilizers, when should the BI PCD tests be performed?

before the Bowie dick tests

routine maintenance of sterilizers should be done

on a regular basis according to M.I

the parameters for low temperature gas plasma sterilization are

time,temperature,and hydrogen peroxide gas plasma

which of the following microorganisms is used to biologically monitor the low-temperature gas plasma sterilizer?

geobacillus stearothermophilus

a low temp gas plasma sterilized temp varies from

113F-131F

which of the following microorganisms is used to biologically monitor the ozone sterilizer?

geobacillus stearothermophilus

aluminum foil is the package of the choice for which sterilizer

dry heat

which of the following microorganisms is used to biologically monitor the dry heat sterilizer?

bacillus atrophaeus

how many spores does a vial of a biological indicator have?

100000

what is the temperature range for the incubation of a biological indicator for steam sterilization?

131F-140F

in the event of a positive BI, how many loads should be recalled?

all loads back to the last negative BI

steam sterilization occurs by a process called:

condensation

a positive BI shows that the sterilization process:

did not kill all the test spores

I’m a steam sterilizer, how much space should be between the chamber wall and packs

1 inch

which must sterilized with an accompanying BI?

total hip replacement

all are typical aeration time and temps in E.O. sterilized devices EXPECT:

12 hours @125F

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

chemical indicator of choice for low temp gas plasma is:

none of the above

microbial kill by oxidation is associated with which sterilization method?

all the above

AAMI now recommends the orthopedic sets weigh no more than:

25lbs

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

Loa tempature gas plasma sterilization uses liquid hydrogen peroxide at what concentration

59%

which is an example of physical monitoring?

print outs

a wrapped set of instruments to be sterilized must at least:

2 chemical indicators

which sterilization method only has three phases of conditioning, sterilization, and aeration?

LTHP

most common cause of sterilization failures are due to:

human error

a multi variable indicator is also known as what class?

class 4

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

the purpose of pre-conditioning a steam load is to:

reduce the amount of condensate that forms

flexible endoscope, implants, and a women textiles are incompatible with

ozone

osha does not permit more than one days supply of 100% EO cartridges stored in the department to exceed this number:

steam pressure entering the sterilizer is recommended at a range of:

60-80psi

which spore is used to biologically monitor ethylene oxide?

bacillus atrophaeus

the most unique feature of a chemical integrator is it’s ability to:

perform in parallel to a BI

time and temperature are parameters for

dry heat

what is the correct sterilizer-setting for the dynamic air removal test?

3 1/2 -4 mins, 270F pre vac

To reduce the potential for contamination packs, removed from the sterilization should be allowed to cool for how long?

30-120mins

sterilization printouts must be signed:

at the end of each cycle

which wrapping material should be used for LTGP sterilization?

all plastic pouches

special chemical indicators for LTGP change color:

from red to yellow

which sterilization process kills by diffusion?

LTGP

a control bi is used to verify which of the following?

all of the above

which of the following does not affect drying time in a steam sterilizer?

exposure time

using an infrared thermometer, a pack gave a reading of 75F, what do you do with the pack?

remove from the sterilizer cart

the parameters for LTHP are:

time, temp, and hydrogen peroxide concentration

in the anatomy of steam sterilizer, what is surrounding the internal chamber?

sterilizer jacket

the spore geobacillus stearothermophilus is used in biological indicators to test efficiency of sterilization methods expect

ethylene oxide

what percent of relative dryness should the incoming steam be?

97%-100%

when handling ethylene oxide full cartridges, personnel should NOT wear:

latex gloves

In the LTGP, the most effective sterilized performance is achieved when the load contains?

a mixture of metal and plastics

what are the 2 basic types of sterilization cycles in dry heat?

condensation and moisture

the following medical devices are incompatible with ozone sterilizers:

all of the above

it is necessary to perform a sterilizer qualification testing, expect

monthly

a clogged drain line in the steam sterilizer can contribute to:

all of the above

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

in low temperature hydrogen peroxide, when the chemical indicator is unprocessed and not exposed to h2o2; what color should it show?

purple

ozone

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

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

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

ethylene oxide is regulated by these agencies EXOECT for:

CDC

100

what is the sterility assurance level for sterilizers?