NCWO Exam at a Glance

Facts verified Oct 20, 2026 against Wound, Ostomy and Continence Nursing Certification Board (WOCNCB); exams delivered by PSI. Dates that have passed are removed automatically.

Free NCWO - National Certified Wound Ostomy Study Tools

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• NCWO - National Certified Wound Ostomy practice test — 86 questions with instant scoring and answer explanations
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• NCWO - National Certified Wound Ostomy study guide — topic-by-topic overview of what the exam covers
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Sample NCWO - National Certified Wound Ostomy Practice Questions

Try these questions from our free NCWO - National Certified Wound Ostomy practice tests. The correct answer and an explanation follow each question.

1. Urinary retention post-operatively is most commonly caused by:

   • A. Excessive post-operative fluid intake
   • B. Opioid analgesia and anesthetic effects inhibiting detrusor contractility
   • C. Compression dressings applied to the abdomen
   • D. Early ambulation causing sphincter spasm

   Answer: B. Opioid analgesia and anesthetic effects inhibiting detrusor contractility

   Opioids and anesthetic agents inhibit the detrusor muscle and increase urethral sphincter tone, commonly causing post-operative urinary retention.

2. A colostomy located in the sigmoid colon produces output that is most likely:

   • A. Liquid and continuous throughout the day
   • B. Formed or semi-formed stool, often once or twice daily
   • C. Bile-colored, watery, and very high volume
   • D. Bloody and mucous-rich at all times

   Answer: B. Formed or semi-formed stool, often once or twice daily

   A sigmoid colostomy is located at the end of the large intestine, so stool is typically well-formed and output pattern is often predictable.

3. The Braden Scale assesses pressure injury risk using which subscales?

   • A. Sensory perception, moisture, activity, mobility, nutrition, friction/shear
   • B. Age, BMI, diagnosis, mobility, continence, skin condition
   • C. Wound size, depth, exudate, tissue type, periwound skin
   • D. Pain, edema, temperature, color, pulses

   Answer: A. Sensory perception, moisture, activity, mobility, nutrition, friction/shear

   The Braden Scale contains six subscales: sensory perception, moisture, activity, mobility, nutrition, and friction/shear, with lower scores indicating higher risk.

4. Moist wound healing is preferred over dry wound healing primarily because it:

   • A. Reduces wound odor and bacterial counts
   • B. Promotes cell migration and reduces pain during dressing changes
   • C. Eliminates the need for debridement
   • D. Prevents all wound infections

   Answer: B. Promotes cell migration and reduces pain during dressing changes

   A moist wound environment accelerates epithelial cell migration, supports growth factor activity, and reduces trauma and pain during dressing removal.

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