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

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What does VAC NPWT utilize in its treatment method?

Gel barriers to manage exudate
Polymer dressings for advanced absorption
Sponge-like foam materials
Liquid enzymes for enhanced healing

The correct answer is: Sponge-like foam materials

VAC NPWT, or Vacuum-Assisted Closure Negative Pressure Wound Therapy, utilizes sponge-like foam materials as a key component of its treatment method. These foam materials are designed to create a controlled negative pressure environment within the wound bed. This negative pressure helps to draw excess fluid away from the wound, promotes blood flow to the area, and encourages the formation of granulation tissue, all of which support the healing process. The use of these sponge-like foams allows for the effective management of exudate, while also fitting snugly into the contours of the wound, ensuring that the negative pressure is evenly distributed. This method has been shown to significantly enhance healing in various types of wounds, making it a crucial aspect of VAC NPWT therapy.