National Physical Therapy Examination (NPTE) Practice Exam

What type of dressing is most appropriate for a shallow, dry, partly necrotic leg wound treated with autolytic debridement?

1. Hydrofiber dressing

2. Transparent film

3. Enzymatic agent

4. Foam dressing

The correct answer is: Transparent film

For a shallow, dry, partly necrotic leg wound that is being treated with autolytic debridement, a transparent film dressing is the most appropriate choice. Transparent film dressings allow for moisture retention while also permitting oxygen permeability. This creates an optimal environment for autolytic debridement, where the body’s own enzymes and moisture soften and break down necrotic tissue. Additionally, the transparent nature of these dressings allows for easy monitoring of the wound without the need to remove the dressing, minimizing disruption to the healing environment. The flexibility and adherence of the film also help to protect the wound from external contaminants while maintaining moisture, promoting a conducive healing environment. Other options, while beneficial in certain contexts, do not provide the same combination of moisture retention, protection, and visibility. Hydrofiber dressings, for instance, are better suited for more exudative wounds. Enzymatic agents can be useful but may not be necessary in a case where autolytic debridement is being efficiently utilized. Foam dressings, though excellent for absorption, generally suit deeper or more heavily exuding wounds and do not provide the visibility needed for monitoring shallow wounds effectively.