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What is the value of uv?
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- Why do get spots?How are fingerprints formed ?A 56 y/o woman has a history of extensive exposure to ultraviolet radiation from both the sun and artificial tanning sources( tanning lights&beds) since childhood. The excessive wrinkling observed is caused primarily by which one of the the following effects of UV rays on the skin? A)damaged elastic fibers B)dilated follicles with plugged orifices C)increased size and activity of melanocytes D)thickening of the the stratum Cornell E)vascular sclerosis of dermal blood vessels
- Define the role Ultraviolet Light ?Complete the following: After comparing the wet mount and the stained cheek cells, state the advantage that was gained by staining cells...............................Describe the relationship between melanin and UV light exposure in the human population. Include a description of both the effects of UV light on a person and function of melanin.