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

What effect do conformable surfaces have on tissue health?

1. Increase moisture retention

2. Minimize interstitial fluid shifts

3. Enhance vascular occlusion

4. Promote skin elasticity

The correct answer is: Minimize interstitial fluid shifts

Conformable surfaces play a significant role in tissue health primarily by minimizing interstitial fluid shifts. These surfaces are designed to adapt to the contours of the body and provide a better interface between the skin and the dressing. By conforming to the unique shapes and pressures of the underlying tissue, they help to distribute pressure evenly, which can reduce the risk of skin breakdown and support overall tissue integrity. When interstitial fluid shifts are minimized, there is less movement of fluid in and out of the tissue spaces, which can help reduce edema and maintain a stable environment for healing. This stability is crucial for ensuring that the tissues remain well-perfused and that waste products can be efficiently removed. Additionally, reducing these shifts can lower the risk of pressure ulcers and contribute to a healthier wound environment. While other choices may seem relevant—like moisture retention or skin elasticity—these effects are not the primary influence of conformable surfaces on tissue health in the context of minimizing fluid shifts and promoting healing. Thus, the key benefit of conformable surfaces lies in their ability to provide a stable and supportive environment for the tissue.