UV Radiation and Skin Health
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Questions and Answers

What is the primary component of UV radiation reaching the Earth's surface?

  • X-rays
  • UVB
  • UVA (correct)
  • Infrared
  • In the US, what classification is assigned to sunscreens?

  • OTC drugs (correct)
  • Cosmetics
  • Food products
  • Prescription drugs
  • What is the term that refers to protection against both UVA and UVB rays?

  • UVB protection
  • SPF protection
  • Broad-spectrum protection (correct)
  • UVA protection
  • What is a quality-related issue that can affect sunscreens and after-sun products?

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