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CNOR Exam Questions & Answers 2026 (1–10)

CNOR practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.

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  1. Q1While assessing a patient in recovery from abdominal surgery, a perioperative nurse observes an alarming occurrence: blood flowing out of the incision site, followed by loops of intestine.<br/><br/>What immediate intervention is required in the case of an abdominal evisceration?

    • A【1】Place sterile dressings moistened with saline over the intestines.
    • B【0】Put on sterile gloves and carefully push the loops of bowel back into the wound.
    • C【2】Notify the surgeon of the need for surgical intervention.
    • D【3】Both B and C
    Show answer

    ✓ Correct answer: D. 【3】Both B and C

    The correct answer is D) Both B and C.<br/><br/>In the event of an abdominal evisceration, the nurse should promptly notify the surgeon about the need for surgical intervention and place sterile dressings moistened with saline over the exposed intestines. <br/><br/>An abdominal evisceration is a critical complication that can occur due to postoperative wound dehiscence. <br/><br/>To safeguard the intestines from harm and minimize the risk of infection, the nurse should cover the wound and await the arrival of the surgeon, rather than attempting to reposition the abdominal contents.

  2. Q2Oil, anesthesia machines, and petroleum products would be considered which of the following?

    • A【2】Sterilizing agents
    • B【0】Ignition sources
    • C【1】Flammable agents
    • D【3】All of the above
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    ✓ Correct answer: C. 【1】Flammable agents

    Oil, anesthesia machines, and petroleum products are flammable agents. Cylinders of compressed gas, grease, any flammable antiseptic that contains alcohol or fat solvents, bowel gases, and others need to be safeguarded.

  3. Q3The statement which would not be considered correct regarding the transportation of a hazardous drug to the surgery suite would be considered?

    • A【1】The container that the drugs are in should be leak proof.
    • B【3】The drugs should have luer caps on them.
    • C【0】The container that the drugs are in should be labeled with a warning sign.
    • D【2】The container that the drugs are transported in must be yellow in color.
    Show answer

    ✓ Correct answer: D. 【2】The container that the drugs are transported in must be yellow in color.

    The following statements would be considered correct regarding the transportation of a hazardous drug to the surgery suite:<br/><br/>The container that the drugs are in should be labeled with a warning sign.<br/><br/>The container that the drugs are in should be leak proof.<br/><br/>The drugs should have luer caps and needles on them.<br/><br/>The container should be resistant to cracking or breaking.

  4. Q4The current annual average estimation of surgical fires in the United States is:

    • A【1】200 to 240
    • B【0】20 to 30
    • C【3】2000 to 2500
    • D【2】700 to 1000
    Show answer

    ✓ Correct answer: A. 【1】200 to 240

    Surgical fires are a serious safety concern in the healthcare field. The current annual average estimation of surgical fires in the United States is between 200 to 240 incidents. It is crucial for healthcare providers to be aware of this range and take the necessary precautions to minimize the occurrence of surgical fires through proper protocols, training, and adherence to safety guidelines.

  5. Q5The perioperative nurse is caring for a patient with a chest tube when they notice an extensive amount of bubbling in the water seal chamber of the device. The patient has developed cyanosis and shallow breathing. <br/><br/>What is the nurse’s next action?

    • A【3】Notify the physician.
    • B【1】Milk the tubing to dislodge any clots that may have developed.
    • C【2】Replace the chest tube.
    • D【0】Tell the patient to take a deep breath and cough.
    Show answer

    ✓ Correct answer: A. 【3】Notify the physician.

    The correct answer is D) Notify the physician.<br/><br/>The nurse should notify the physician. If the water seal chamber starts bubbling excessively and there is not an outside leak, the patient could be retaining air within the pleural cavity. Based on the patient’s response of cyanosis and shallow breathing, the chest tube is not working correctly and the physician needs to be notified.

  6. Q6When preparing to administer oxygen via a nasal cannula to a patient with low levels of oxygen in their blood, what is the correct sequence of connecting the various components starting from the oxygen source in the wall until reaching the patient?

    • A【3】Connector, flow meter, humidifier, tubing, patient
    • B【2】Humidifier, flow meter, connector, tubing, patient
    • C【1】Flow meter, connector, humidifier, tubing, patient
    • D【0】Flow meter, humidifier, tubing, connector, patient
    Show answer

    ✓ Correct answer: C. 【1】Flow meter, connector, humidifier, tubing, patient

    The correct answer is B) Flow meter, connector, humidifier, tubing, patient.<br/><br/>The oxygen is connected to the patient in a sequential order, starting from the wall source and moving through the flow meter, connector, humidifier, and tubing. <br/><br/>The flow meter, which is connected to the oxygen source, is responsible for regulating the amount of oxygen delivered to the patient. The oxygen then passes through the humidifier, where moisture is added to prevent drying. Finally, the oxygen is delivered to the patient through the tubing.

  7. Q7Which of the following scenarios would be reported as a sentinel event, as per the Joint Commission's guidelines?

    • A【1】A patient developing a stage II pressure wound during surgery
    • B【2】A patient who received an extra dose of antibiotic before surgery
    • C【0】A patient who received surgery on the wrong part of the body
    • D【3】A patient who developed a wound infection postoperatively
    Show answer

    ✓ Correct answer: C. 【0】A patient who received surgery on the wrong part of the body

    The correct answer is A) A patient who received surgery on the wrong part of the body.<br/><br/>According to the Joint Commission guidelines, a patient undergoing surgery on the wrong body part or wrong patient is considered a sentinel event. This type of event is categorized as unexpected and involves the risk of death or severe, permanent physical injury.

  8. Q8When a nurse fails to perform a standard of care that another reasonable and prudent nurse would perform, this is referred to as:

    • A【3】Breach of duty
    • B【2】Liability
    • C【0】Malpractice
    • D【1】Negligence
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    ✓ Correct answer: D. 【1】Negligence

    Negligence occurs when a nurse fails to perform a standard of care that another reasonable and prudent nurse would perform. Negligent behavior by nurses often makes up malpractice court claims.<br/><br/>When a nurse is negligent in their behavior, they are acting without thinking, not paying attention to what they are doing, or they are being purposefully reckless.

  9. Q9When preparing to assist a patient with walking for the first time after surgery, which of the following is not a factor to be considered when planning to provide help?

    • A【2】The amount of time needed
    • B【0】The size of the room
    • C【1】The weight of the patient
    • D【3】The availability of assistive devices
    Show answer

    ✓ Correct answer: A. 【2】The amount of time needed

    When preparing to help a patient walk, the amount of time needed is not necessarily a factor to be considered when planning to provide help. <br/><br/>The nurse should exercise patience with the person who is getting up for the first time, as being too eager or trying to move too quickly can result in falls or injuries. <br/><br/>The size of the room is important to determine if the patient has enough room to move around chairs or obstacles; the weight of the patient and use of assistive devices are necessary to determine how many people are needed for help.

  10. Q10A patient has been admitted to the prep center that speaks no English. Of the following options, which would be the best choice for an interpreter?

    • A【0】The mother of the patient.
    • B【3】A housekeeper that speaks the language.
    • C【1】A nurse from the second floor.
    • D【2】A trained interpreter.
    Show answer

    ✓ Correct answer: D. 【2】A trained interpreter.

    The other 3 options are not the ideal person to interpret. The appropriate choice would be a trained interpreter.

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