Chapter 20 Skin Diseases and Disorders

___________ of aging is caused by the sun rays of ultra violet rays.

A. 80-85%
B. 30-70%
C. 40-60%

___________ is known as the "bad" burning ray, however it gives natural body repairs and helps with our vitamin d.

a. UVA
b. UVB

Avoid the sun exposure of babies the first __________ months.

A. 6
B. 2-4
C. 1-3

Check list for cancer
A - asymmetry
B - check for border
C - color
D - diameter
E - evolving (changing size, etc)

True
False
True False

A ______ can be a primary, secondary and teiterachery.