Wound Treatment Associate (WTA) Practice Exam

What is the best approach for dressing a wound with a narrow tunnel?

1. Use a foam dressing

2. Nonwoven gauze or a fabric strip

3. Wrap the area with tape

4. Cover with a solid gel dressing

The correct answer is: Nonwoven gauze or a fabric strip

For dressing a wound with a narrow tunnel, using nonwoven gauze or a fabric strip is the best approach due to its flexibility and ability to conform to the irregularity of the wound's shape. Nonwoven gauze is absorbent and allows adequate moisture control, which is crucial for a tunneling wound to facilitate healing. These materials can be gently packed into the tunnel, ensuring that the wound bed is sufficiently filled while allowing for moisture retention without adhering to the tissue, which helps to prevent further injury during dressing changes. This choice supports proper wound healing by promoting a moist environment, which is essential for granulation tissue formation and prevents the risk of infection. Furthermore, nonwoven materials typically reduce the potential for linting and provide a more comfortable fit compared to options that may not conform as well to the wound's contours. The alternative options may have specific uses but are less effective for treating a tunneling wound. For instance, foam dressings may not adequately address the depth and narrowness of the tunnel, and while tape can secure dressings, it does not assist in filling or managing the wound's specific characteristics. Solid gel dressings may also lack the necessary flexibility and absorption capability needed for a narrow and potentially deep wound.