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CNOR Exam 2026/2027 Practice Questions & Answers | Sterilization, Infection Prevention, Anesthesia, Patient Safety & Perioperative Nursing

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This comprehensive CNOR Exam 2026/2027 study document provides an extensive collection of practice questions with answers designed to support preparation in perioperative nursing and operating-room practice. The 227-page resource covers a broad range of examinable concepts, including sterile processing, the Spaulding Classification System, steam sterilization, immediate-use steam sterilization, chemical and biological indicators, endoscope reprocessing, surgical asepsis, hand hygiene, surgical attire, environmental cleaning, transmission-based precautions, patient positioning, informed consent, wound classification, anesthesia, medication safety, malignant hyperthermia, electrosurgery, laser and radiation safety, pediatric considerations, emergencies, cardiac complications, and perioperative patient safety. The material combines multiple-choice questions, true/false items, fill-in-the-blank review questions, clinical scenarios, and direct answer explanations. For example, substantial sections address sterilization and sterile processing—including pre-vacuum and gravity-displacement steam sterilizers, biological indicators, chemical indicators, low-temperature hydrogen peroxide plasma, ethylene oxide, peracetic acid, ozone, dry heat, and instrument packaging—while later sections examine electrosurgery, fire and laser safety, anesthesia, local anesthetic systemic toxicity, wound management, informed consent, pediatric care, cardiovascular emergencies, and trauma. The subject coverage corresponds closely with recognized perioperative nursing literature. The Competency & Credentialing Institute identifies the current AORN Guidelines for Perioperative Practice, Berry & Kohn's Operating Room Technique, Alexander's Care of the Patient in Surgery, and Drain's Perianesthesia Nursing: A Critical Care Approach as primary CNOR examination references. Alexander's Care of the Patient in Surgery, 17th edition, is specifically designed to develop knowledge and skills for safe perioperative nursing and includes patient positioning, instrumentation, postoperative care, and hundreds of surgical interventions. The document's extensive focus on sterile technique is also consistent with current AORN literature, which identifies maintenance of the sterile field and prevention of contamination as fundamental components of safe perioperative nursing practice. Sterilization and infection prevention receive particularly detailed treatment in the document. These topics are central to current perioperative standards: AORN's 2026 guidelines include evidence-based guidance on sterile technique, sterilization, environmental cleaning, surgical attire, patient positioning, transmission-based precautions, surgical energy devices, and prevention of retained surgical items. A 2025 AORN Journal review similarly emphasizes appropriate processing methods, steam sterilization, transport and storage of sterile items, quality assurance, and adherence to manufacturers' instructions for use. Relevant Students: This resource is most relevant to registered nurses preparing for CNOR certification, perioperative nursing students, operating-room nurses, nurses completing perioperative education or orientation, surgical nursing students, and healthcare learners reviewing sterile processing, infection prevention, anesthesia, surgical safety, and operating-room procedures. It may also serve as supplementary revision material for surgical technologists and other perioperative professionals, although the document itself is primarily framed around CNOR and perioperative nursing preparation. APA References: Rothrock, J. C. (Ed.). (2023). Alexander's care of the patient in surgery (17th ed.). Elsevier. Speth, J. (2024). Guidelines in practice: Sterile technique. AORN Journal, 120(4), 238–247. Speth, J. (2025). Guidelines in practice: Sterilization. AORN Journal, 121(4), 280–289. Keywords: CNOR exam 2026, CNOR exam 2027, CNOR practice questions, CNOR questions and answers, CNOR study guide, CNOR certification exam, perioperative nursing exam, perioperative nursing questions, operating room nursing, OR nursing exam, sterile processing, sterilization methods, Spaulding classification, steam sterilization, surgical asepsis, infection prevention, sterile technique, endoscope reprocessing, anesthesia nursing, malignant hyperthermia, patient positioning, surgical safety, electrosurgery safety, laser safety, wound classification, surgical attire, hand hygiene, environmental cleaning, perioperative patient safety, CNOR exam preparation

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CNOR Exam 2026/2027 Exam
Questions and Answers |
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During a procedure under local anesthesia, the patient complains of

circumoral numbness, blurred vision, and dizziness. What should be the

immediate action of the perioperative nurse monitoring this patient?




a. Recheck the dose of local anesthesia given

b. Ensure an airway

c. Set the IV line to full flow

,d. Call for 20% lipid emulsion to be brought to the room - ANSWER

✔✔b


The circulating nurse reports that the needle count is incorrect. The

surgeon continues to close the wound, stating, "I know it is not in the

wound and I am not going to stop to look for it." The best plan of action

is to:




a. Accept the surgeon's response without comment and fill out an

incident report

b. Inform the surgeon of hospital policy and document subsequent

actions

c. Order X-rays regardless of the surgeon's wishes


d. Notify the OR supervisor and ask for advice - ANSWER ✔✔b


A new employee unknowingly dispensed an unsterile solution to the

sterile field. The following day, the supervisor learns of the incident. The

supervisor's first action would be to:




a. Initiate an incident report

b. Instruct the employee on the technique of reading labels

,c. Counsel the employee verbally


d. Notify the surgeon of the break in technique - ANSWER ✔✔d


Due to an emergency, the perioperative nurse is unable to conduct the

sponge, sharps, and instrument counts. At the conclusion of the surgery,

the nurse should:




a. Ask the surgeon to sign the count

b. Immediately notify the OR supervisor

c. Document the absence of counts


d. Refuse to sign the sponge count record - ANSWER ✔✔c


The optimum patient position provides:




a. Access and exposure, maintains circulatory and respiratory functions,

and does not compromise neuromuscular structures.

b. Optimum access and exposure to surgical site, with no permanent

compromise to neuromuscular structures.

c. Access for the surgeon, does not compromise the neuromuscular

structures, and maintains an adequate airway for the anesthetist.


COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
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, d. Sustained circulatory and respiratory functions, does not compromise

neuromuscular structures, and maintains body alignment. - ANSWER

✔✔a


A patient who is 8 months pregnant is to undergo an emergency

laparotomy. In planning nursing care for this patient, the perioperative

nurse should have available a wedge cushion or pillow to place under

the patient's:




a. Knees

b. Left side

c. Right side


d. Shoulders - ANSWER ✔✔c


You're loading the sterilizer with trays and wrapped towels. The correct

configuration would be:

a. The towels are on the bottom shelf and the trays on the top shelf

b. The towels are on the top shelf and the trays are on the bottom shelf

c. The trays and towels go on the top shelf and leave the bottom shelf

empty

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