AST Surgical Technologist Practice Exam

What type of dressing is ideal for a wound that requires moisture retention?

1. Adhesive bandage

2. Film dressing

3. Hydrogel dressing

4. Gauze dressing

The correct answer is: Hydrogel dressing

Hydrogel dressings are designed specifically to provide moisture to the wound, ideal for wounds that require moisture retention. These dressings contain a high percentage of water, which helps to keep the wound bed moist and promotes a favorable healing environment. The moisture helps to facilitate autolytic debridement, which is the body's natural process of removing dead tissue, while also preventing the wound from becoming dry and crusty, which can inhibit healing. Additionally, hydrogel dressings are transparent, allowing for easy monitoring of the wound without having to remove the dressing. They are also gentle on the skin, reducing the risk of trauma during dressing changes. This is particularly important for wounds that may be sensitive or for patients with fragile skin. In contrast, adhesive bandages, film dressings, and gauze dressings do not provide the same level of moisture retention. Adhesive bandages may cover a wound but do not retain moisture effectively. Film dressings provide a barrier but may not provide the moisture needed for certain types of wounds, and gauze dressings, though versatile, can dry out and may require frequent changes depending on the type of wound and drainage. Thus, hydrogel dressings are the optimal choice when moisture retention is necessary for wound healing