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

Which type of debridement involves the use of non-enzymatic solutions?

1. Mechanical debridement

2. Autolytic debridement

3. Chemical debridement

4. Bio-debridement

The correct answer is: Chemical debridement

Chemical debridement utilizes enzymatic or non-enzymatic solutions to facilitate the removal of devitalized tissue from a wound. However, in this context, the option that specifically refers to non-enzymatic debridement involves the use of agents such as saline or certain antibacterial solutions that help in the loosening and removal of necrotic tissue without promoting enzymatic reactions. Mechanical debridement typically refers to physically removing debris from a wound through methods like irrigation, wet-to-dry dressings, or scrubbing, which does not rely on chemical solutions. Autolytic debridement is a process where the body’s own enzymes and moisture work to liquefy necrotic tissue, therefore relying on the body's natural capability rather than external solutions. Bio-debridement, often involving the use of maggots, employs living organisms to consume dead tissue, thus differing entirely from the non-enzymatic chemical approach. Therefore, the focus on non-enzymatic solutions in the context of chemical debridement is what makes this option correct.