Certified Wound Care Nurse (CWCN) Practice Exam

Which dressing is commonly used for patients with Toxic Epidermal Necrolysis?

1. Gauze dressing

2. Petrolatum dressing

3. Hydrocolloid dressing

4. Transparent film dressing

The correct answer is: Petrolatum dressing

Petrolatum dressings are commonly used for patients with Toxic Epidermal Necrolysis (TEN) due to their protective and moisturizing properties. TEN is a severe skin condition characterized by widespread epidermal detachment and the formation of painful skin lesions. The skin becomes fragile and at risk for infection, necessitating a dressing that provides a barrier while promoting a moist wound environment conducive to healing. Petrolatum dressings, such as ointments or impregnated gauze, create a semi-occlusive barrier that helps retain moisture and promotes a healing environment. This can minimize pain and facilitate the healing of superficial wounds while protecting them from external contaminants. In contrast, other types of dressings may not provide the same level of moisture retention or protection against environmental factors. For example, gauze dressings might stick to the wound and cause further pain during changes, hydrocolloid dressings may not adhere properly to severely compromised skin, and transparent film dressings might lack the necessary moisture retention properties required for managing the delicate skin affected by TEN. Therefore, petrolatum dressings are favored in this situation for their soothing and protective characteristics.