Wound, Ostomy and Continence Nurses Society (WOCN) Practice Exam

For deep, wet wounds, which type of dressing would be most appropriate?

1. Foam dressing

2. Calcium alginate

3. Nonadherent gauze

4. Hydrocolloid

The correct answer is: Calcium alginate

Calcium alginate is the most appropriate dressing for deep, wet wounds due to its unique properties. Calcium alginate dressings are made from seaweed and are highly absorbent, which makes them ideal for managing moderate to heavily exuding wounds. They can absorb excess fluid, transforming it into a gel-like substance that maintains a moist wound environment, essential for promoting healing while preventing maceration of the surrounding skin. Additionally, calcium alginate dressings help to facilitate autolytic debridement because they provide a moist environment, allowing the body’s natural enzymes to break down necrotic tissue. Their composition also limits the risk of bacterial penetration while providing a barrier to contaminants. While foam dressings are also absorbent and can be used for moist wounds, they might not be as effective for very deep wounds that exude a significant amount of fluid since they typically adhere to the wound base more readily. Nonadherent gauze is less effective for deep, wet wounds because it does not offer the same level of moisture retention and absorbency that is necessary for healing. Hydrocolloid dressings, while beneficial for promoting a moist environment, may not absorb significant amounts of exudate effectively and are better suited for less exuding wounds.