CNOR EXAM AND PRACTICE QUESTIONS / 2025/2026 CNOR EXAM
PREPARATION ACTUAL EXAM 250 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
What does the term 'veracity' refer to in the context of patient records?
- ......ANSWER........Veracity means truthfulness or accuracy, particularly regarding the
documentation of patient records.
What does Virchow's triad describe? - ......ANSWER........Three broad categories of factors
contributing to thrombosis: hypercoagulability, hemodynamic changes, and endothelial
injury/dysfunction.
What effect does pilocarpine have on the pupil? - ......ANSWER........Pilocarpine causes the
pupil to constrict, which opens the ocular drainage system to help lower intraocular
pressure.
What happens to blood gases if a patient is hypo ventilating post-operatively?
- ......ANSWER........The CO2 levels will rise, leading to a decrease in ph.
What happens to informed consent if a patient withdraws their agreement to surgery?
- ......ANSWER........The consent is withdrawn, and the patient retains the right to choose
regardless of medications given or forms signed.
What happens to pH levels when CO2 rises? - ......ANSWER........The pH falls.
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What increases the risk of fire during surgery involving the bowel?
- ......ANSWER........Bringing methane, an ignition source, and oxygen in proximity
increases risk.
What is the benefit of using Albuterol or glycopyrrolate during surgery?
- ......ANSWER........To control secretions.
What is a common poor practice during turnover between carpal tunnel cases?
- ......ANSWER........Mopping only under the OR table and 3-4 feet around it.
What is a potential risk during induction in patients undergoing surgery?
- ......ANSWER........An increased risk of aspiration.
What is the risk associated with electrocautery during laparoscopic procedures?
- ......ANSWER........Direct coupling, which can cause unintended tissue damage.
What is the standard of professional practice for perioperative nurses?
- ......ANSWER........To evaluate the quality of their nursing practice.
What is an example of a class 1 chemical indicator? - ......ANSWER........Indicator tape on a
wrapped tray.
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What is cavitation in the context of ultrasonic cleaning? - ......ANSWER........Cavitation is
the generation of tiny bubbles in a solution due to high-frequency sound waves, which
collapse and create vacuum areas that dislodge soil.
What is hypokalemia and what can cause it? - ......ANSWER........Hypokalemia is low in
potassium levels, often caused by losing large amounts of bodily fluid, especially from the
GI tract.
What is implied consent in the context of emergency surgery? ......ANSWER.....A signed
consent form is not required when the procedure is done emergently.
What is lateral violence in the nursing context? - ......ANSWER........Abuse within the ranks,
including nonverbal innuendos, verbal confrontation, and sabotage.
What is Masseter Muscle Rigidity (MMR) and its significance in young patients?
- ......ANSWER........MMR is irritating but not dangerous; it may cause increased heart rate
and blood pressure.
What is negligence in the context of perioperative nursing? - ......ANSWER........A failure to
use reasonable care, such as not obtaining a signed consent for each procedure.
What is the benefit of atropine for surgical patients? - ......ANSWER........It inhibits oral
secretions.
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What is referred to as pain in the context of laparoscopic surgery?
- ......ANSWER........Referred pain is irritation of the phrenic nerve caused by carbon dioxide
gas trapped against the diaphragm, felt as pain in the shoulder.
What is required before surgical procedures, except in emergencies?
- ......ANSWER........Documentation of the patient's consent in the medical record.
What is required for a surgical consent to be valid? - ......ANSWER........The patient must
understand the procedure, risks, and alternatives.
What is the Aldrete Scoring System used for? - ......ANSWER........Establishing
postoperative discharge criteria.
What is the appropriate action for a patient with a nasal cannula at 1.5 L and O2 saturation
of 95%? - ......ANSWER........Increase the flow of the nasal cannula until the patient's O2
saturation rises to 98%.
What is the appropriate action if a signed consent form is not found for a patient returning
for surgery? - ......ANSWER........Inform the surgeon that another consent is needed.
What is the best practice when passing a knife to the surgeon? - ......ANSWER........Place
the knife into a designated tray for the surgeon to pick up.