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CNOR EXAM NEWEST 2024 ACTUAL EXAM TEST BANK COMPLETE 240 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+$17.99
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CNOR EXAM NEWEST 2024 ACTUAL EXAM TEST
BANK COMPLETE 240 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
Critical item (spaulding class system) - ANSWERMust be a sterile item (ex:
instrumentsw, catheters, needles)
Enters the tissue/vascular system
Semi-critical item (spaulding class system) - ANSWERSterile but high level disinfectant
used sometimes
Contacts broken sterile/mucous membrane
Ex: GI scopes, bronchoscopes
We prefer to be sterilized
Non critical items (spaulding class system) - ANSWERImmediate to low level
disinfectant/cleaning
Ex: skin contact
Ex: furniture, OR equipment, linens, tourniquets
Work flow of the OR? - ANSWEROne way
Decontam- prep to packaging - sterile/sterilizing- clean distribution to storage
Decontaminiation of instruments - ANSWER-pre treat with instrument spray
-disassemble anything with a lumen
-use sterile water not saline
**all to prevent bioburden**
Pre- vac autoclave - ANSWERMost common
Creates a vaccum
Clean drains essential
BOWIE DICK TEST
Geo stearo spore test
Gravity displacement autoclave - ANSWERThermometer at bottom to make seal
Longer than prevac for non porous items
Geobac stearo spore test
Two types of steam sterilizers - ANSWERPre-vacuum autoclave and gravity
displacement autoclave
,Chemical integrator class 1 - ANSWERHEAT
Ex: external tags on trays
Just saying it was hot enough
Chemical intergrator class 2 - ANSWERPRESSURE
Bowie Dick test
Chemical intergrator class 5 - ANSWERIntegrated
Reacts to all parameters- time, pressure, temp and quality of steam
Glutaraldehyde sterilizer - ANSWER"COLD" sterilization
Bad for instruments
10 hours
Ethylene Oxide Sterilizer - ANSWERSterilizer
Cold, dry
Great for tubing and lumens (ex: foleys), bad for instruments and environment
2-5 hr exposure and 8-12 hr dry time
Spore test: bacillus atropheus
Low Temp Hydrogen Peroxide Plasma Sterilization (aka Sterrad) - ANSWERBest for
HEAT AND MOISTURE
Dry sterilizer
No dry time
Spore test: Geobacillus stearothermophilus
Peracetic Acid Sterilization - ANSWERBest for scopes
"Vinegar"
Items that can be immersed, no instruments, do a leak test before washing
Micron filter tap water to get rid of acid
Spore test: geo stearo daily
Ozone Sterilization - ANSWERNewest, use of low temp
Good for plastic and metal
Spore test: geobacilus stearo
Where does cleaning of endoscope begin? - ANSWEROn the field
, When do we do leak test of scopes? - ANSWERBefore cleaning
Bowie dick test for what sterilizer - ANSWERPre -vac
geobacillus stearothermophilus used for what sterilizer spore test? - ANSWERSteam
(pre-vac & gravity)
Low temp hydrogen peroxide plasma sterilization
Peracetic acid
Ozone
Bacillus atrophaeus spores are used to monitor which of the following sterilizers? -
ANSWERDry heat
Ethylene oxide
How often should top gloves be changed during a procedure? - ANSWEREvery 90-150
mins
Event-related sterility - ANSWERSterility determined by how a package is handled
rather than time elapsed; a package is considered sterile until opened or the integrity of
packaging material is damaged
Isolation technique - ANSWERIsolate instruments that touch bowel or something dirty
Ex: closure tray
How far to stay away from sterile field when not sterile - ANSWER12 inches
Is the operating room positive or negative pressure? - ANSWERPositive
Wind goes OUT a
Air exchanges in the OR - ANSWER20 an hour with 4 with outside air
laminar air flow - ANSWERAn unidirectional ultraclean air delivery system that creates a
"curtain" of super clean air around the sterile field.
Ex: the circle on the floor
Unrestricted surgical areas - ANSWERStreet clothes can be worn
Lounge, PACU, ASU
70-75 degrees
Semi-restricted surgical area - ANSWERHair covered
Ex: OR front desk, outside core, storage
72-78 degrees
Restricted surgical areas - ANSWERMask up
Ex: OR room, inner core
68-75 degrees
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