CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP/ CNOR
STUDY GUIDE TEST BANK NEWEST 2026/2027 ACTUAL EXAM COMPLETE 700
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
A prosthesis is contaminated during an orthopedic case and a suitable
replacement is not immediately available. How should this prosthesis be
sterilized?
a. Immediate use sterilization @ 270° F for 3 minutes with a chemical indicator
b. Send the implant to sterile processing to be returned after the biological
indicator has been read
c. Double-wrap and autoclave @ 270° F for 30 minutes with a chemical indicator
d. Immediate use sterilization @ 270° F for 10 minutes with both chemical and
biological indicators
b
The bowie-dick test is used to determine
a. Proper functioning of the vacuum system
b. The concentration of ethylene oxide gas
c. Achievement of sterilization
d. Adequate temperature requirements
a
A chemical indicator included with surgical instruments processed in a gravity
displacement steam sterilizer indicates that the instruments were:
a. Exposed to the sterilizing conditions
b. Free of all surface bioburden
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, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
c. Exposed to the necessary vacuum pressure
d. Sterilization has been achieved
a
What type of processing does an item classified by the Spaulding System as critical
require?
a. Sterilization
b. High level disinfection
c. Environmental Cleaning
d. Low level disinfection
a
When items are heat or moisture sensitive which of the following sterilization
techniques may be used?
a. Dry Heat
b. Low Temperature hydrogen peroxide gas plasma
c. Glutaraldehyde
d. Saturated Steam under pressure
b
Tape located on the outside of a sterilized package is considered a class ____
chemical indicator
a. IV
b. II
c. I
d. V
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, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
c
Which of the following items is not considered critical according to the Spaulding
Classification System?
a. Foley Catheter
b. Pneumatic tourniquet cuff
c. Acupuncture needles
d. IV catheter
b
When testing sterilizer efficacy, which sterilizers below must include a biological
indicator with bacillus atrophaeus spore?
a. Steam
b. Dry Heat
c. Hydrogen Peroxide Gas Plasma
d. Ozone
b
The leak testing of an endoscope should be performed:
a. after mechanical processing and before storage
b. on the surgical field, immediately after use
c. after handing off the field, prior to processing
d. before every use
c
Cleaning and decontamination of the endoscope begins
3|Page
, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
a. On the field throughout the procedure
b. After the patient leaves the OR
c. With an alcohol based solution
d. Immediately after use
a
Endoscopes must be stored...
a. In a drying cabinet
b. In a cabinet in the procedure room for easy accessibility
c. Vertically for no more than 5 days
d. In the hallway outside of the procedure room
a
Four laparoscopic tubal ligations have been scheduled for the same day. One of
the four available laparoscopes is contaminated during the preparation for the
second tubal ligation. The laparoscopes will not withstand steam sterilization. In
this situation, what would be the most appropriate course of action?
a. Soak the contaminated laparoscope in a high-level disinfectant for 20 min prior
to use on the fourth patient
b. Inform the surgeon of the potential compromise in the fourth patient's care and
explore alternate solutions
c. Inform the fourth patient that her tubal ligation can't be done due to the lack of
sterile equipment
d. Sterilize the contaminated laparoscope using ethylene oxide, omit the aeration
cycle, and rinse with sterile water
b
4|Page
CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP/ CNOR
STUDY GUIDE TEST BANK NEWEST 2026/2027 ACTUAL EXAM COMPLETE 700
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!!
A prosthesis is contaminated during an orthopedic case and a suitable
replacement is not immediately available. How should this prosthesis be
sterilized?
a. Immediate use sterilization @ 270° F for 3 minutes with a chemical indicator
b. Send the implant to sterile processing to be returned after the biological
indicator has been read
c. Double-wrap and autoclave @ 270° F for 30 minutes with a chemical indicator
d. Immediate use sterilization @ 270° F for 10 minutes with both chemical and
biological indicators
b
The bowie-dick test is used to determine
a. Proper functioning of the vacuum system
b. The concentration of ethylene oxide gas
c. Achievement of sterilization
d. Adequate temperature requirements
a
A chemical indicator included with surgical instruments processed in a gravity
displacement steam sterilizer indicates that the instruments were:
a. Exposed to the sterilizing conditions
b. Free of all surface bioburden
1|Page
, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
c. Exposed to the necessary vacuum pressure
d. Sterilization has been achieved
a
What type of processing does an item classified by the Spaulding System as critical
require?
a. Sterilization
b. High level disinfection
c. Environmental Cleaning
d. Low level disinfection
a
When items are heat or moisture sensitive which of the following sterilization
techniques may be used?
a. Dry Heat
b. Low Temperature hydrogen peroxide gas plasma
c. Glutaraldehyde
d. Saturated Steam under pressure
b
Tape located on the outside of a sterilized package is considered a class ____
chemical indicator
a. IV
b. II
c. I
d. V
2|Page
, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
c
Which of the following items is not considered critical according to the Spaulding
Classification System?
a. Foley Catheter
b. Pneumatic tourniquet cuff
c. Acupuncture needles
d. IV catheter
b
When testing sterilizer efficacy, which sterilizers below must include a biological
indicator with bacillus atrophaeus spore?
a. Steam
b. Dry Heat
c. Hydrogen Peroxide Gas Plasma
d. Ozone
b
The leak testing of an endoscope should be performed:
a. after mechanical processing and before storage
b. on the surgical field, immediately after use
c. after handing off the field, prior to processing
d. before every use
c
Cleaning and decontamination of the endoscope begins
3|Page
, CNOR (CERTIFIED NURSE OPERATING ROOM) PRACTICE EXAM PREP
a. On the field throughout the procedure
b. After the patient leaves the OR
c. With an alcohol based solution
d. Immediately after use
a
Endoscopes must be stored...
a. In a drying cabinet
b. In a cabinet in the procedure room for easy accessibility
c. Vertically for no more than 5 days
d. In the hallway outside of the procedure room
a
Four laparoscopic tubal ligations have been scheduled for the same day. One of
the four available laparoscopes is contaminated during the preparation for the
second tubal ligation. The laparoscopes will not withstand steam sterilization. In
this situation, what would be the most appropriate course of action?
a. Soak the contaminated laparoscope in a high-level disinfectant for 20 min prior
to use on the fourth patient
b. Inform the surgeon of the potential compromise in the fourth patient's care and
explore alternate solutions
c. Inform the fourth patient that her tubal ligation can't be done due to the lack of
sterile equipment
d. Sterilize the contaminated laparoscope using ethylene oxide, omit the aeration
cycle, and rinse with sterile water
b
4|Page
