Quiz Answer Key and Fun Facts
1. We all know that sunshine and fresh air are essential to good health. But when do we cross the line from healthy to dangerous? The sun, for instance, gives off energy in the form of radiation. We can see the sunlight, but we cannot see or feel the sun's UV rays. Which of the following does excessive exposure to UV rays cause?
2. Of the sun's three UV ray types, UVA, UVB and UVC, which one is NOT absorbed at all by the ozone layer?
3. ______ rays are short, powerful rays that affect the outer layers of the skin. They cause sunburn and produce melanin, which is what gives people a tan. They also damage DNA in the skin, which can lead to skin cancer. Fill in the blank.
4. UV light is an essential element in the formation of which vitamin?
5. Which of the following factors can lead to UV rays being even more harmful?
6. According to the Canadian Cancer Society, what percentage of skin damage occurs BEFORE the age of 18?
7. Sunscreens work by absorbing, reflecting and scattering the suns UV rays on the skin. Most dermatologists recommend using a sunscreen with a SPF (sun protection factor) of at LEAST what number?
8. According to statistics from the American Academy of Dermatologists, how many Americans will develop skin cancer in their lifetime?
9. Malignant Melanoma. The term strikes fear in the heart of anyone who hears it. And well it should! Melanoma can strike anyone--even children. The American Academy of Dermatology cites that one person each hour dies from melanoma and that in 2002, about 87,900 NEW cases of the cancer will be diagnosed in the US alone! What percentage of all skin cancer deaths are attributed to melanoma?
10. In spite of all the dangers cited about over-exposure to the sun, some people are still going to continue to sun bathe! One last question. You have been out in the sun all day. You have come in for the night and notice that you have quite a sunburn. You are really uncomfortable! Your skin is blistered, you have a headache, chills and a fever and are sick to your stomach. Should you seek medical attention?
Source: Author
Ballykissangel
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crisw before going online.
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