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

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Which of the following is NOT a characteristic of infant skin compared to adult skin?

Increased permeability
Thicker epidermis
Faster epidermal turnover
Higher risk for diaper dermatitis

The correct answer is: Thicker epidermis

Infant skin possesses several distinct characteristics that differentiate it from adult skin, leading to its unique vulnerabilities and functions. The characteristic associated with thicker epidermis being inaccurate stands out because infant skin is actually thinner than adult skin, making it more susceptible to various environmental factors and irritants. The other characteristics underline the differences well: the increased permeability in infant skin means that it allows substances to penetrate more easily, which can be a double-edged sword—providing better absorption of topical medications but also heightening the risk of irritants entering the body. Faster epidermal turnover reflects that infants' skin cells renew more rapidly, which is part of their developmental processes. Furthermore, the higher risk for diaper dermatitis is particularly notable due to the sensitive nature of infant skin combined with the friction and moisture exposure arising from diaper use. Each of these factors contributes to the need for specialized care and attention for infants compared to adults.