Certified Wound Care Nurse (CWCN) Practice Exam

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What is the significance of a nylon monofilament test in diabetic patients?

  1. To measure blood glucose levels

  2. To assess thermal sensitivity

  3. To determine protective sensation

  4. To evaluate blood flow

The correct answer is: To determine protective sensation

The significance of the nylon monofilament test in diabetic patients lies in its ability to determine protective sensation in the feet. Diabetic patients are at an increased risk of peripheral neuropathy, which can lead to reduced sensation in the extremities. The nylon monofilament test involves applying a thin, flexible filament to various points on the foot to assess whether the patient can feel the contact. Detecting protective sensation is crucial because loss of sensation can result in undetected injuries, ulcers, and potential infections, which may ultimately lead to more serious complications such as amputations. By regularly using the nylon monofilament test, healthcare providers can identify patients who are at risk for foot problems due to neuropathy. This information can guide preventive measures, education on foot care, and timely referrals for further assessment or intervention.