Michigan Esthetician State Board Practice Exam

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Study for the Michigan Esthetician State Board Test. Utilize flashcards and multiple choice questions, each featuring hints and explanations. Prepare for success!

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What condition is primarily caused by UVA rays?

Skin cancer
Photoaging
Dermatitis
Psoriasis

The correct answer is: Photoaging

The primary condition caused by UVA rays is photoaging. UVA rays penetrate the skin more deeply than UVB rays and are responsible for triggering changes in the skin that lead to premature aging. This includes the breakdown of collagen and elastin, which are essential proteins for maintaining the skin's elasticity and firmness. As a result, prolonged exposure to UVA rays can lead to the development of wrinkles, fine lines, and skin laxity. In contrast, while skin cancer can be influenced by UV exposure, it is more closely associated with UVB rays. Dermatitis and psoriasis are typically related to other factors such as allergens, irritants, or autoimmune responses rather than direct sun exposure. Therefore, understanding the specific effects of UVA rays on the skin highlights their role in photoaging as a significant concern for skin health and aesthetics.