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

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Which of the following substances can be used to manage peritubular breakdown?

Zinc oxide
Neomycin ointment
Petroleum jelly
Hydrocortisone cream

The correct answer is: Zinc oxide

Zinc oxide is a popular choice for managing peritubular breakdown due to its beneficial properties. It possesses antimicrobial effects, which help to reduce the risk of infection around the area. Additionally, zinc oxide forms a protective barrier that can help shield the skin from further irritation or damage, promoting healing. This substance is also known for its soothing qualities, making it effective in treating skin irritations. In contrast, while neomycin ointment has antimicrobial properties, its primary function is to target infections rather than offer protective or barrier qualities that are needed to address peritubular breakdown effectively. Petroleum jelly can provide a barrier and moisture retention, but it does not have the same antimicrobial effects as zinc oxide, which are critical in the context of breakdown management. Hydrocortisone cream serves as an anti-inflammatory treatment, but it does not provide the specific protective and antimicrobial benefits essential for healing in this situation. Thus, zinc oxide emerges as the most effective substance for managing peritubular breakdown among the options listed.