CNOR PRACTICE QUESTIONS | CERTIFIED NURSE OPERATING ROOM (CNOR) EXAM STUDY
GUIDE, PRACTICE TEST & EXAM PREP 2026/2027
After purchase of a product for a facility, responsibility for safe use of the product lies with the -
correct answer ✔✔end user
Electrical and laser equipment should pass inspection by the ________ - correct answer
✔✔biomedical engineering department
During a post-op follow-up phone call, a patient recovering from a right lumpectomy states that
she is experiencing numbness to the ring (fourth) and little (fifth) fingers of her right hand. The
periop nurses suspects possible damage to the ___________________ - correct answer
✔✔ulnar nerve
Secondary injury from a blast injury is caused by - correct answer ✔✔debris and projectiles
A patient aged 7, is scheduled for a T & A at an ambulatory surgery center. During the preop
telephone interview, the mother of the pt asks the periop nurse if her daughter will be able to
take her favorite stuffed animal into the OR. Which of the following is the best response based
on child's development level - correct answer ✔✔"We will make sure the toy stays with your
daughter until the anesthetic takes effect
The perioperative nurse caring for a patient present with a traumatic wound for which the
edges of the incision cannot be approximated can expect the wound to close by ___________ -
correct answer ✔✔secondary
During the preop assessment, the patient states that "donor-directed" RBCs are available and
should be used if a blood transfusion is necessary. Which of the following is accurate about
donor-directed RBCs - correct answer ✔✔the donated blood is tested and processed by blood
bank
,Which of the following housekeeping duties must be completed prior to the first case of the day
- correct answer ✔✔Damp-dust the overhead operating lights, articulated arms, furniture, flat
surfaces, and all portable and mounted equipment
The periop RN notes that the pt is taking garlic as a prophylactic cold remedy. This information is
reported to which of the following health care providers - correct answer ✔✔The anesthesia
care provider, as the herb can prolong bleeding
The PNDS uses ______ domain(s) to address the perioperative nursing process - correct answer
✔✔four
_________ is the mnemonic used when performing a secondary assessment of a pt after all life-
threatening issues have been treated. - correct answer ✔✔FGHI
- full set of vitals
- give comfort measures
- perform complete hx
- inspect posterior areas
Compartment pressure of an extremity above ________ mm Hg requires a fasciotomy - correct
answer ✔✔30 mm Hg
- compromises circulation to the tissue and necrosis
A periop nurse is made aware of the impaired practice of another team member. According to
the American Nurse Association's Code of ethics, the periop nurse should - correct answer
✔✔act to ensure the impaired person receives assistance
Contaminated items should be transported to the decontamination area - correct answer ✔✔in
a closed container
, A 34- year-old pt with a diagnosis of breast cancer is scheduled for a right breast mastectomy.
When performing the surgical skin prep, the nurse - correct answer ✔✔Uses a no-touch
technique
- used for gentile scrubbing over the tumor site as vigorous scrubbing may dislodge cancer cells
underlying the skin
when a laser is in use during a procedure, the area around the surgical site that poses potential
injury is known as the - correct answer ✔✔nominal hazard zone
- specifically identified area, usually within the surgical site, that requires implementation of
certain safety measures
What is the American Society of Anesthesiologists (ASA) classification of a pt with severe
hypertension - correct answer ✔✔ASA Class III
The periop RN is caring for a developmentally delayed male pt aged 46 years whose cognitive
level is comparable to a child aged 9 years. Which of the following is the most appropriate pain
assessment tool? - correct answer ✔✔Using a FACES pain rating scale
What is the shelf life of red blood cells when refrigerated - correct answer ✔✔42 days
Atelectasis is characterized by - correct answer ✔✔increased temp, increased pulse, and
increased respirations
Vendors present during a surgical procedure may - correct answer ✔✔be a resource outside the
scrub field
Utilization and documentation of the nursing process when transferring care of the periop pt
demonstrate use of - correct answer ✔✔Critical thinking skills
- utilizing each part of the nursing process requires critical thinking skills and performance of pt
care based on evidence and research
GUIDE, PRACTICE TEST & EXAM PREP 2026/2027
After purchase of a product for a facility, responsibility for safe use of the product lies with the -
correct answer ✔✔end user
Electrical and laser equipment should pass inspection by the ________ - correct answer
✔✔biomedical engineering department
During a post-op follow-up phone call, a patient recovering from a right lumpectomy states that
she is experiencing numbness to the ring (fourth) and little (fifth) fingers of her right hand. The
periop nurses suspects possible damage to the ___________________ - correct answer
✔✔ulnar nerve
Secondary injury from a blast injury is caused by - correct answer ✔✔debris and projectiles
A patient aged 7, is scheduled for a T & A at an ambulatory surgery center. During the preop
telephone interview, the mother of the pt asks the periop nurse if her daughter will be able to
take her favorite stuffed animal into the OR. Which of the following is the best response based
on child's development level - correct answer ✔✔"We will make sure the toy stays with your
daughter until the anesthetic takes effect
The perioperative nurse caring for a patient present with a traumatic wound for which the
edges of the incision cannot be approximated can expect the wound to close by ___________ -
correct answer ✔✔secondary
During the preop assessment, the patient states that "donor-directed" RBCs are available and
should be used if a blood transfusion is necessary. Which of the following is accurate about
donor-directed RBCs - correct answer ✔✔the donated blood is tested and processed by blood
bank
,Which of the following housekeeping duties must be completed prior to the first case of the day
- correct answer ✔✔Damp-dust the overhead operating lights, articulated arms, furniture, flat
surfaces, and all portable and mounted equipment
The periop RN notes that the pt is taking garlic as a prophylactic cold remedy. This information is
reported to which of the following health care providers - correct answer ✔✔The anesthesia
care provider, as the herb can prolong bleeding
The PNDS uses ______ domain(s) to address the perioperative nursing process - correct answer
✔✔four
_________ is the mnemonic used when performing a secondary assessment of a pt after all life-
threatening issues have been treated. - correct answer ✔✔FGHI
- full set of vitals
- give comfort measures
- perform complete hx
- inspect posterior areas
Compartment pressure of an extremity above ________ mm Hg requires a fasciotomy - correct
answer ✔✔30 mm Hg
- compromises circulation to the tissue and necrosis
A periop nurse is made aware of the impaired practice of another team member. According to
the American Nurse Association's Code of ethics, the periop nurse should - correct answer
✔✔act to ensure the impaired person receives assistance
Contaminated items should be transported to the decontamination area - correct answer ✔✔in
a closed container
, A 34- year-old pt with a diagnosis of breast cancer is scheduled for a right breast mastectomy.
When performing the surgical skin prep, the nurse - correct answer ✔✔Uses a no-touch
technique
- used for gentile scrubbing over the tumor site as vigorous scrubbing may dislodge cancer cells
underlying the skin
when a laser is in use during a procedure, the area around the surgical site that poses potential
injury is known as the - correct answer ✔✔nominal hazard zone
- specifically identified area, usually within the surgical site, that requires implementation of
certain safety measures
What is the American Society of Anesthesiologists (ASA) classification of a pt with severe
hypertension - correct answer ✔✔ASA Class III
The periop RN is caring for a developmentally delayed male pt aged 46 years whose cognitive
level is comparable to a child aged 9 years. Which of the following is the most appropriate pain
assessment tool? - correct answer ✔✔Using a FACES pain rating scale
What is the shelf life of red blood cells when refrigerated - correct answer ✔✔42 days
Atelectasis is characterized by - correct answer ✔✔increased temp, increased pulse, and
increased respirations
Vendors present during a surgical procedure may - correct answer ✔✔be a resource outside the
scrub field
Utilization and documentation of the nursing process when transferring care of the periop pt
demonstrate use of - correct answer ✔✔Critical thinking skills
- utilizing each part of the nursing process requires critical thinking skills and performance of pt
care based on evidence and research
