Oregon Esthetician State Board 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Under a Wood's lamp, how does a thick corneum layer appear?

Black

White fluorescent

Under a Wood's lamp, a thick corneum layer appears as white fluorescent. The Wood's lamp emits ultraviolet light that causes various skin conditions and characteristics to fluoresce differently. In the case of a thick stratum corneum, which is the outermost layer of the skin, it reflects this UV light and gives off a bright white appearance.

This characteristic helps estheticians and dermatologists assess the skin's condition, allowing them to identify areas of excess keratinization or thickened skin that may require specific treatments or interventions. The other manifestations noted in the other options indicate different skin conditions or characteristics, which would be illuminated in different colors under the Wood's lamp. Understanding these visual cues is essential for proper skin analysis and treatment planning in esthetic practice.

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Yellow

Red

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