Physical Therapy Assistant Practice Exam

Which method of debridement relies on the body's natural healing processes?

1. Autolytic debridement

2. Surgical debridement

3. Mechanical debridement

4. Sharp debridement

The correct answer is: Autolytic debridement

Autolytic debridement is a method that harnesses the body's own healing processes to remove dead tissue from a wound. This technique involves maintaining a moist environment that facilitates the body's natural enzymatic processes, allowing necrotic tissue to be broken down and subsequently shed. The body's own inflammatory response plays a crucial role here, as white blood cells and other components work to clean the wound from within. In contrast, surgical debridement involves the use of instruments to physically remove dead or damaged tissue; this is a more aggressive approach that requires professional intervention. Mechanical debridement utilizes physical methods such as wet-to-dry dressings or irrigation to remove dead tissue, while sharp debridement involves cutting away necrotic tissue with scissors or scalpels. These methods rely on external forces rather than allowing the body to naturally facilitate the healing process. Therefore, autolytic debridement stands out as the method that directly incorporates and supports the body’s inherent healing capabilities.