A dermatologist has asked the nurse to assist with examination of a patient's skin using a Wood's light. This test will allow the physician to assess for which of the following?
A) The presence of minute regions of keloid scarring
B) Unusual patterns of pigmentation on the patient's skin
C) Vascular lesions that are not visible to the naked eye
D) The presence of parasites on the epidermis
Ans: B
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Wood's light makes it possible to differentiate epidermal from dermal lesions and hypopigmented and hyperpigmented lesions from normal skin.
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