Physical Therapy Assistant Practice Exam

What type of debridement removes necrotic tissue using pressurized fluid and provides suction for debris removal?

1. Enzymatic debridement

2. Sharp debridement

3. Mechanical debridement

4. Wound irrigation

The correct answer is: Mechanical debridement

The correct answer is mechanical debridement. This method involves the use of pressurized fluid to remove necrotic tissue from wounds. The combination of the pressurized water and suction allows for effective cleaning of the wound bed by dislodging and flushing away dead tissue, foreign materials, and debris. Mechanical debridement is particularly beneficial because it can promote a healthier wound environment, facilitating healing while minimizing discomfort for the patient. In contrast, enzymatic debridement typically uses topical agents that break down dead tissue chemically rather than through physical means. Sharp debridement involves the use of surgical instruments to excise tissue, which, while effective, does not utilize fluids or suction. Wound irrigation generally refers to the process of flushing a wound with saline or a similar solution but does not specifically refer to the removal of necrotic tissue through a combined pressurization and suction method.