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Do Now: Take a clicker and take a packet – read the first page and check off your risk factors!**Sunburn is ANYTIME your skin turns pinkish or reddish** **FRECKLES are the same thing as MOLES**HW :1. Finish POGIL if you didn’t during class…2. MEMESDUE NEXT CLASS! 3. Ch27 #24, 28, 34, 36 (p. 420) 5 points – 1 point each and 1 point correctness
• Asymmetry of lesion• Border (uneven borders)• Color variation (many shades of color within a lesion)• Diameter greater than 6 millimeters (pencil eraser)• Evolving/Elevation (lesion is growing in height)
#2. Sun poisoning is actually 1stor 2nd degree burning of your skin. What layer(s) of the skin is damaged when you get the blisters from sun poisoning?
#4. Look back at your EM spectrum diagram. Based on what you know about frequencies and wavelengths, which UV radiation would have the largest FREQUENCY?
#6a & b. Tanning beds use UVA and/or UVB rays. The more “expensive” beds use more of UVA and less of UVB. If you do tan, which rays have a higher frequency and are more likely to cause cancer?
#7a & b. Your skin produces collagen, which gives your skin smoothness and elasticity. As you age, collagen production decreases, leading to wrinkles, and that “leathery” look. Tanning can cause the collagen to break down even faster, causing more wrinkles at an earlier age. This occurs when the UV radiation penetrates deeper in your skin. Which penetrates more deeply into your skin & is therefore more likely to age you faster – UVA or UVB?
Look at this truck driver – the side of his face closer to the window has had A LOT of UVA exposure.
HW :Finish POGIL if you didn’t during class…GRADED via clickers at START of next class MEMES DUE NEXT CLASS! Ch 27 #24, 28, 34, 36 (p. 420) 5 points – 1 point each and 1 point correctness