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

What is granulation tissue?

1. Serous fluid trapped under skin less than 0.5cm in diameter

2. Loose, stringy, nonviable tissue

3. Flat spot of color change greater than 0.5cm in diameter

4. Proliferating tissue made of capillary networks, collagen, and other connective substances

The correct answer is: Proliferating tissue made of capillary networks, collagen, and other connective substances

Granulation tissue is an essential component of the healing process, particularly during the repair of wounds. It is characterized as proliferating tissue that develops as part of the body's mechanism to heal injuries. The composition of granulation tissue includes a rich network of capillaries, which provides oxygen and nutrients essential for wound healing. Additionally, this tissue contains collagen and various other connective substances that support tissue repair and regeneration. The presence of capillary networks is vital, as these blood vessels facilitate the delivery of immune cells and nutrients to the wound site, while also aiding in the removal of waste products. The collagen in granulation tissue contributes to the structural integrity of the healing tissue, providing a scaffolding for new cell growth. This complex interplay of cells and substances is crucial for the proper healing of wounds, making granulation tissue a key indicator of the healing process. In contrast, the other options describe different concepts not related to granulation tissue. For instance, serous fluid trapped under the skin refers to a type of fluid collection, while loose and stringy nonviable tissue indicates necrotic tissue that is no longer viable or healthy. Lastly, a flat spot of color change greater than 0.5 cm in diameter typically signifies a change in skin pigmentation