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Ultraviolent Radiation and the Skin

1.  Sunlight is the ultimate source of energy and is vitally important to life as we know it.
A) True
B) False
2.  Evidence exists to support the concept that the skin is damaged in many different ways by its direct exposure to natural or artificial UVR.
A) True
B) False
3.  There are both natural and artificial sources of UVR.
A) True
B) False
4.  There is greater UVR exposure with increasing latitude.
A) True
B) False
5.  It is known that individuals with fair complexions are more susceptible to sun exposure damage.
A) True
B) False
6.  There is extensive epidemiological evidence supporting the direct role sunlight plays in human skin cancer.
A) True
B) False
7.  Susceptibility to damage by UVR may be influenced by genetic and acquired disorders, genetic traits, age-related factors, and the use of some medications.
A) True
B) False
8.  Significant factors that influence susceptibility to UVR damage include race, ethnicity, eye and hair color, and the tendency toward formation of freckles and nevi.
A) True
B) False
9.  Increased UVR damage may occur with the use of oral antibiotics.
A) True
B) False
10.  Maximum photoprotection is afforded by chemical sunscreens with SPF ratings of 15 or higher.
A) True
B) False
11.  Evidence indicates that UVR-induced suntanning, whether from natural or artificial sources, is harmful to the skin.
A) True
B) False
12.  UVR in sunlight is critical for vitamin D synthesis in the skin.
A) True
B) False

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