Which of the Following is Not an Effect of Ultraviolet

Question

Which of the following is not an effect of ultraviolet radiation?
A) increased activity by melanocytes
B) production of cholecalciferol within epidermal cells
C) reduced amounts of elastic fibers in the dermis
D) chromosomal damage in germinative cells or melanocytes
E) loss in skin pigmentation as seen in vitiligo

Accepted Answer

Ultraviolet radiation does not cause loss in skin pigmentation as seen in vitiligo. Vitiligo is an autoimmune condition where the immune system attacks and destroys the melanocytes in the skin, leading to loss of pigmentation. The other options (A-D) are known effects of ultraviolet radiation on the skin.