Electrolysis Practice Exam

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What are the phenotypic changes in the skin as a result of prolonged UV exposure commonly called?

Photoaging
Dermatitis
Hyperpigmentation
Skin lesions

The correct answer is: Photoaging

The correct term for the phenotypic changes in the skin due to prolonged UV exposure is indeed photoaging. This phenomenon encompasses various aging signs such as wrinkles, fine lines, rough texture, and pigmentation changes that occur as the skin's collagen and elastin fibers degrade over time due to UV radiation. Photoaging results from accumulated damage from ultraviolet light, which leads to structural changes in the skin, making it look older than it would naturally. This includes changes in skin color, elasticity, and overall appearance. It is a specific term that highlights the impact of UV exposure on the aging process of the skin. The other concepts relate to skin conditions as well but do not capture the broad changes associated with prolonged UV exposure. Dermatitis refers to inflammation of the skin, hyperpigmentation indicates localized darkening of the skin, and skin lesions are abnormal areas of skin that can arise from various causes. While these can all occur due to skin damage or disorders, they do not specifically describe the comprehensive aging effects resulting from long-term UV exposure.