CNOR (Certified Nurse Operating Room) Exam 2 Prep
CNOR (CERTIFIED NURSE OPERATING ROOM) EXAM 2 PREP NEWEST
2026/2027 ACTUAL EXAM COMPLETE 150 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) WITH DETAILED RATIONALES
|ALREADY GRADED A+||BRAND NEW VERSION!!
A patient reports to the ambulatory surgery center for local anesthesia w/o
sedation and claims that the surgeon gave him permission to drive himself home.
The most appropriate actin for the peri op nurse is to
A. cancel the surgery and reschedule when the patient has a ride
B. contact the social worker to assist in finding transportation for the patient
C. check for an order stating that the patient may drive himself home
D. allow the patient to leave when his post op Aldrete score is 10 - Correct
Answer-C. check for an order stating that the patient may drive himself home
it may be permissible for the patient to drive himself home if the surgery was
performed under local anesthesia w/o sedation and if there is a physician's order
Which of the following are methods of sterilization?
A. Chemical, mechanical, biological
B. decontamination, disinfection, pasteurization
C. thermal, chemical, radiation
D. low-level disinfection, intermediate-level disinfection, high-level disinfection -
Correct Answer-C. thermal, chemical, radiation
1|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
sterilization processes are either physica (steam), chemical (ethylene oxide gas), or
radiation (XRAY)
a 36 year old male presents to the OR for reaper of a fractured right medial
malleolus. he weighs 85 kg, does not smoke, and takes no medications at home.
which of the following characteristics increases the patients risk for developing a
venous thromboembolism (VTE)
A. his age
B. his injury
C. his weight
D. his smoking status - Correct Answer-B. his injury
procedure-related VTE risk factors include ankle fracture.
During the pre op assessment of an 82 year old malnourished woman, the RN
circulator determines that the patient is at an increased risk of
A. post op hyperthermia
B. unplanned hypothermia
C. ineffective tissue perfusion
D. excess fluid volume - Correct Answer-B. unplanned hypothermia
the pre op assessment should include factors that may contribute to unplanned
hypothermia, including patient related factors such as age (older than 65), sex
(female), low body surface area or weight, and pre existing medical conditions
(malnourishment)
2|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
gelatin pads used for hemostasis absorb in
A. 7 to 10 days
B. 10 to 20 days
C. 20 to 40 days
D. 60 to 90 days - Correct Answer-C. Absorbable gelatin is used to treat retard
absorption, which allows the hemostatic agent to absorb 20 to 40 days after
placement. the gelatin pad absorbs 40 times its weight and may be used wet or
dry
A collection of blood in a body cavity or space caused by uncontrolled bleeding or
oozing is called a
A. hematoma
B. pseudoaneurysm
C. varicosity
D. contusion - Correct Answer-A. hematoma
the hematoma may cause pain and require drainage
prophylactic antibiotics should be administered
A. for 48 hours post op
B. within 1 hour before skin incision
C. within 1 hour after the skin incision
D. at the time of incision - Correct Answer-B. within 1 hour before incision
3|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
optimal levels of the prophylactic antibiotic should be present at the time of
incision. therefore, the prophylactic antibiotic of choice should be administer
within 1 hour before the incision is made. additionally, prophylactic abx therapy
should typically be discontinued within 24 hours
A peri op nurse is reviewing a patient's chart and notes that the patient will
undergo a brain biopsy for symptoms of progressive dementia. which of he
following suspected pathogens would prompt the nurse to take additional actions
during the peri op period of this patient's care
A. Treponema pallidum
B. culex triaeniorhynchus
C. neurocutaneus leishmania protozoa
D. proteinaceous prion - Correct Answer-D. proteinaceous prion
prions are proteinaceous infectious agents that are resistant to routine
sterilization and disinfection practices.
when a discrepancy is identified in the surgical count, the peri op RN should
A. organize the sterile field
B. perform a methodical wound exploration
C. remain in the room until the item is found
D. call for assistance - Correct Answer-D. call for assistance
4|Page
CNOR (CERTIFIED NURSE OPERATING ROOM) EXAM 2 PREP NEWEST
2026/2027 ACTUAL EXAM COMPLETE 150 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) WITH DETAILED RATIONALES
|ALREADY GRADED A+||BRAND NEW VERSION!!
A patient reports to the ambulatory surgery center for local anesthesia w/o
sedation and claims that the surgeon gave him permission to drive himself home.
The most appropriate actin for the peri op nurse is to
A. cancel the surgery and reschedule when the patient has a ride
B. contact the social worker to assist in finding transportation for the patient
C. check for an order stating that the patient may drive himself home
D. allow the patient to leave when his post op Aldrete score is 10 - Correct
Answer-C. check for an order stating that the patient may drive himself home
it may be permissible for the patient to drive himself home if the surgery was
performed under local anesthesia w/o sedation and if there is a physician's order
Which of the following are methods of sterilization?
A. Chemical, mechanical, biological
B. decontamination, disinfection, pasteurization
C. thermal, chemical, radiation
D. low-level disinfection, intermediate-level disinfection, high-level disinfection -
Correct Answer-C. thermal, chemical, radiation
1|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
sterilization processes are either physica (steam), chemical (ethylene oxide gas), or
radiation (XRAY)
a 36 year old male presents to the OR for reaper of a fractured right medial
malleolus. he weighs 85 kg, does not smoke, and takes no medications at home.
which of the following characteristics increases the patients risk for developing a
venous thromboembolism (VTE)
A. his age
B. his injury
C. his weight
D. his smoking status - Correct Answer-B. his injury
procedure-related VTE risk factors include ankle fracture.
During the pre op assessment of an 82 year old malnourished woman, the RN
circulator determines that the patient is at an increased risk of
A. post op hyperthermia
B. unplanned hypothermia
C. ineffective tissue perfusion
D. excess fluid volume - Correct Answer-B. unplanned hypothermia
the pre op assessment should include factors that may contribute to unplanned
hypothermia, including patient related factors such as age (older than 65), sex
(female), low body surface area or weight, and pre existing medical conditions
(malnourishment)
2|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
gelatin pads used for hemostasis absorb in
A. 7 to 10 days
B. 10 to 20 days
C. 20 to 40 days
D. 60 to 90 days - Correct Answer-C. Absorbable gelatin is used to treat retard
absorption, which allows the hemostatic agent to absorb 20 to 40 days after
placement. the gelatin pad absorbs 40 times its weight and may be used wet or
dry
A collection of blood in a body cavity or space caused by uncontrolled bleeding or
oozing is called a
A. hematoma
B. pseudoaneurysm
C. varicosity
D. contusion - Correct Answer-A. hematoma
the hematoma may cause pain and require drainage
prophylactic antibiotics should be administered
A. for 48 hours post op
B. within 1 hour before skin incision
C. within 1 hour after the skin incision
D. at the time of incision - Correct Answer-B. within 1 hour before incision
3|Page
, CNOR (Certified Nurse Operating Room) Exam 2 Prep
optimal levels of the prophylactic antibiotic should be present at the time of
incision. therefore, the prophylactic antibiotic of choice should be administer
within 1 hour before the incision is made. additionally, prophylactic abx therapy
should typically be discontinued within 24 hours
A peri op nurse is reviewing a patient's chart and notes that the patient will
undergo a brain biopsy for symptoms of progressive dementia. which of he
following suspected pathogens would prompt the nurse to take additional actions
during the peri op period of this patient's care
A. Treponema pallidum
B. culex triaeniorhynchus
C. neurocutaneus leishmania protozoa
D. proteinaceous prion - Correct Answer-D. proteinaceous prion
prions are proteinaceous infectious agents that are resistant to routine
sterilization and disinfection practices.
when a discrepancy is identified in the surgical count, the peri op RN should
A. organize the sterile field
B. perform a methodical wound exploration
C. remain in the room until the item is found
D. call for assistance - Correct Answer-D. call for assistance
4|Page
