FREE CNOR Certification MCQ Questions and Answers
What percentage of the perioperatively focused model is broken into components?
Explanation:
The perioperative patient-focused model is divided into four quadrants. One relates to the healthcare facility where the care is being administered, and three are patient-focused.
After an aortic valve replacement procedure, a patient is being cared for by a PACU nurse. Which of the following heart arrhythmias most frequently occur after this kind of surge?
Explanation:
According to the American College of Cardiology, atrial fibrillation occurs after aortic valve replacement surgery at a rate of about 12%, making it the most frequent cardiac arrhythmia. Acute or late-onset atrial fibrillation raises a person's chance of dying or having a stroke.
Which suture gauge among the following is the smallest?
Explanation:
Like sewing thread, sutures are sized according to gauge. #11-0 is the smallest gauge, while #5 is the largest. #1–4-0 are the sizes that are most frequently used.
The circulating RN is aware that utilizing the right materials for draping is crucial for patient safety. Which of the following statements most accurately sums up the current advice for picking the ideal drape material?
Explanation:
To prevent microbiological penetration, the materials used for draping must be fluid-resistant to tearing or puncture. To lessen airborne contaminants and shedding into the surgical site, a sterile drape should be lint-free.
The surgeon needs help placing his sterile robe; therefore, the circulating RN must do it. Which of the following statements about the surgeon's gown's areas that the circulator may touch is accurate?
Explanation:
Only the internal ties may be touched by the circulator or other nonsterile team members while dressing the surgeon because they are the only ones that are not in contact with the outer sterile area of the gown.
A 68-year-old man who is scheduled for elective coronary artery bypass graft (CABG) surgery is being evaluated by a nurse before the surgery. Which of the over-the-counter medications listed below shouldn't the patient have ceased taking before surgery?
Explanation:
After heart surgery, Plavix is typically stopped within 48 hours. Five to seven days before surgery, patients should cease taking warfarin, often known as Coumadin. Aspirin normally doesn't need to be stopped before this surgery; however, diuretics like Lasix should be stopped the morning of the procedure.
The normative requirement for sterile packing is that it
Explanation:
Safety requirements for wrapping materials used during sterilization include resistance to tears, punctures, and abrasions. Other prerequisites are as follows: The ability to maintain the sterility of the contents until opening. Enough porosity to allow for steam or gas penetration and venting. Effective air and microorganism barrier. Secure enclosure of contents for moisture resistance. The absence of toxic ingredients and non-fast dyes is sufficient to maintain seal integrity. Aseptic delivery of contents to the sterile field requires correct labeling. Appropriate size for even content distribution.