Cnor exam

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CNOR EXAM//CNOR PRACTICE EXAM// CNOR EXAM STUDY G
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UIDE TESTBANK NEWEST VERSION QUESTIONS ACTUAL EXA
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M 500+ QUESTIONS AND CORRECT DETAILED ANSWERS(VERI
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FIED ANSWERS) |ALREADY GRADED A+ l l l l




What are types of automatic cleaning (2)? How effective is it? -
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CORRECT ANSWER >>>>washer and ultrasonic, more effective thanm
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anual cleaning l




Pre-vacuum autoclave (Dynamic air removal)- l l l l



type, temp, porous/lumen vs non porous time -
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CORRECT ANSWER >>>>-steamsterilization
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-
sucks air out of chamber and the steam comes in cleaning theinstrume
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nts
-clean drains are essential
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-270-276 degrees F l l



-porous/lumen items in for 4 mins l l l l l



-nonporous items in for 3 mins l l l l l

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Gravity displacement autoclave- l l



type, temp, porous/lumen, nonporous items -
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CORRECT ANSWER >>>>steam forces air fromchamber
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thermometer closes drain l l l



270-276 degrees F l l



porous/lumen items in for 10 minsn l l l l l l



onporous items in for 3 mins always f l l l l l l l



ollow IFUs l




How do you avoid condensation when sterilizing items? what should y
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ou allow between trays? when should you remove the trays? where sh
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ould you place the trays after sterilizing? what doesit mean when the tr
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ay is moist? what should you not do to cool down the instruments? -
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CORRECT ANSWER >>>>Allow airflow between trays
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remove loads immediately (leaving door ajar to cool increaseslik
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elihood of condensation) l l



Don't put hot items on a cool solid surface or rack
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If condensation occurs and the items are moist, they arecon
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sidered unsterile l




What are the 6 chemical indicators? 1,2 and 5 are most important.what
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are the 4 parameters of sterilization? - CORRECT ANSWER
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>>>>1. temp/heat, the tray go hot enough, external factor.
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2. pressure/bowie dick- l



tests all air was removed and enoughpressure was present only p
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revac, only tells vacuum was used l l l l l



3. single parameter (based on manufacturer) quality l l l l l



4. multi-parameter (based on manufacturer) (ex quality and time) l l l l l l l



5. integrated (all parameters like time, temp, pressure and qualityof l l l l l l l l l l



steam)

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6. emulating indicator (all parameters of a particular style likema l l l l l l l l l



nufacturer for specific autoclave for a specific cycle l l l l l l l




Chemical indicators only indicate whether that specific cycle wasme l l l l l l l l l



t. Does not determine sterilization
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What indicator are external indicators? - CORRECT ANSWER >>>>1
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- heat
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What indicator are Bowie dick tests? - CORRECT ANSWER >>>>2 -
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pressure (used with pre-vac)
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IUSS-
how can the item be wrapped? what kind of indicator must be used? w
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hat item cannot be used unless its an emergency? whatprocess must sti
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ll occur when using IUSS? what must you keep for patient safety? wrap
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ped vs unwrapped goods length of tie and temperature? -
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CORRECT ANSWER >>>>no packaging, wrapped items or textiles due t
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o an abbreviated dry time
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same decon process l l



rigid sterilization containers with lid m
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ust use a class 5 chemical indicatornev
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er an implant unless emergent
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sterilization log must be kept for patient safety l l l l l l l




Unwrapped goods: 3-5 minutes at 270-275°F (132- l l l l l l



135°C)Wrapped goods: 6-10 minutes at 270-275°F l l l l l l




What happens if the IUSS fails a quality check? - CORRECT ANSWER
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>>>>If a QC fails, run 3 consecutive a spore tests l l l l l l l l l



If one fails again, biomed checks IUSS and has to pass 3 consecutivetests
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to use it again
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Gluteraldehyde-
What kind of sterilization? where is this used? howlong does it take? is it
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often used, why? - CORRECT ANSWER l l l l l



>>>>cold sterilization l l



POC use only l l



Takes 10 hours of immersion l l l l



Bad for instruments due to pitting
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Suboptimal form of sterilization due to environmental problemsan l l l l l l l l



d poor ease of use
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Ethylene oxide- l



what can it be used on? how long does it take? how long is aeration time
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? is it often used, why? what temperatureand humidity does EO need to
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be*? - CORRECT ANSWER >>>>cold and dry form of sterilization
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for heat + moisture sensitive items (99-145 degree F and 45-
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75%humidity) l



2-5 hours exposure
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8-12 hour aeration time l l l



Human carcinogen (exposure limited to 1PPM in an 8 hr period)Luml l l l l l l l l l l



ens must be completely dry (great for foleys) Environmentally hazar
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dous
Will make antifreeze with waterb
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accilus atropheus l




Low Temp Hydrogen Peroxide Plasma Sterilization (aka Sterrad orVP
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RO)-
What is it good for? How long does it take? How long is aeration? How
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does it work? - CORRECT ANSWER >>>>-
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Use for heat + moisture sensitive items
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- No aeration cycle needed - dry sterilization
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- Cycle time 75 mins l l l



- Environmentally sound l