Which is a common skin effect caused by UV radiation?

Study for the Bioenvironmental Engineering (BEE) Block 6 Exam. Utilize flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam with confidence!

Multiple Choice

Which is a common skin effect caused by UV radiation?

Explanation:
Erythema is a classic immediate skin response to UV radiation. When UV exposure occurs, especially UVB, it damages epidermal cells and triggers inflammation that releases signals causing the small blood vessels in the skin to dilate. This increased blood flow makes the skin appear red and often warm or tender—the familiar sunburn. This reaction typically appears within a few hours and fades as the skin heals. Increased pigmentation and darkening of pigment describe tanning, a slower protective response that builds up melanin over time, while changes in cellular growth relate to longer-term risks like skin cancer rather than an immediate, common skin reaction.

Erythema is a classic immediate skin response to UV radiation. When UV exposure occurs, especially UVB, it damages epidermal cells and triggers inflammation that releases signals causing the small blood vessels in the skin to dilate. This increased blood flow makes the skin appear red and often warm or tender—the familiar sunburn. This reaction typically appears within a few hours and fades as the skin heals. Increased pigmentation and darkening of pigment describe tanning, a slower protective response that builds up melanin over time, while changes in cellular growth relate to longer-term risks like skin cancer rather than an immediate, common skin reaction.

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