Certified Wound Care Nurse (CWCN) Practice Exam

What is the appropriate management for dry desquamation in a patient undergoing radiation therapy?

1. Moisturizers such as hydrophilic lotions and creams

2. Silver-based wound gel with foam dressing

3. Petrolatum-based products applied twice daily

4. Alpha-hydroxy acid-based cream applied twice daily

The correct answer is: Petrolatum-based products applied twice daily

The appropriate management for dry desquamation in a patient undergoing radiation therapy is the application of petrolatum-based products. These products provide a protective barrier to the skin, which helps to prevent further irritation and moisture loss. Petrolatum creates an occlusive layer that retains moisture in the skin, which is especially important for patients experiencing dry desquamation—a common side effect of radiation therapy where the skin becomes dry, flaky, and prone to cracking. Using petrolatum-based products two times daily can help to soothe the skin, promote healing, and maintain skin integrity during treatment. This method is well-tolerated by most patients and can alleviate discomfort associated with dry skin. It also does not impede the healing of the irradiated skin, making it a suitable choice for managing this condition. In contrast, other options may not be as effective or suitable for dry desquamation specifically. For example, while moisturizers like hydrophilic lotions and creams are beneficial for hydrating the skin, they may not provide the same level of occlusiveness that petrolatum offers. Silver-based wound gels may be appropriate for infected or exudative wounds but are not typically recommended for simple dry desquamation. Alpha-hydroxy acid-based creams can exfoliate the skin,