Arkansas Esthetician Practice Exam

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What characterizes Vitiligo?

Congenital lack of skin pigmentation
Darkened patches from trauma
Foul smelling perspiration
White patches due to loss of pigment in melanin cells

The correct answer is: White patches due to loss of pigment in melanin cells

Vitiligo is characterized by the appearance of white patches on the skin resulting from a loss of pigment in the melanin-producing cells known as melanocytes. This condition occurs when these cells are destroyed or fail to function properly, leading to the depigmentation of skin in certain areas. The white patches can vary in size and can appear on any part of the body, including areas that are frequently exposed to sunlight, which can make them more noticeable. The other options refer to different skin conditions or issues. The congenital lack of skin pigmentation, while it may seem similar, typically describes albinism rather than vitiligo, which can develop later in life. Darkened patches from trauma relate more to post-inflammatory hyperpigmentation, and foul-smelling perspiration is associated with various conditions affecting sweat glands, rather than a pigmentation disorder like vitiligo.