Certified Wound Ostomy Nurse (CWON) Practice Test

Which dressing is best suited as a secondary layer for deep, dry wounds?

1. Hydrocolloid dressing

2. Mineral oil

3. Transparent adhesive dressing

4. Damp gauze

The correct answer is: Transparent adhesive dressing

The best choice for a secondary layer for deep, dry wounds is a transparent adhesive dressing. This type of dressing provides a protective barrier while allowing for visibility of the wound, which is important for monitoring healing without needing to remove the dressing frequently. The thin nature of the transparent adhesive dressing promotes a moist wound environment, which is conducive to healing, especially in deep wounds that require careful observation. In addition, the adhesive properties help secure primary dressings and maintain a closed environment that minimizes the risk of contamination and prevents external moisture from interfering with the healing process. Overall, this dressing supports the healing process by balancing moisture levels, protecting the wound, and allowing for easy inspection and maintenance. Other options may not provide the same benefits. For example, hydrocolloid dressings are primarily used for shallow to moderately exudative wounds and may not be as suitable as a secondary layer for deep, dry wounds. Mineral oil serves as a topical lubricant but does not function as a dressing and lacks protective qualities for the wound environment. Damp gauze might be appropriate for managing moisture but can adhere to dry wounds, causing discomfort and potential tissue damage upon removal.