PSI Barbering Practice Exam

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Which of the following is also known as a birthmark?

Verruca
Nevi
Keratoma
Corn

The correct answer is: Nevi

A birthmark refers to a type of skin lesion that is usually present at birth or appears shortly afterward. This encompasses a variety of skin markings, but the term "nevi" specifically pertains to moles or pigmented lesions, which are often referred to as birthmarks, particularly when they are congenital—meaning they are present at birth. Verrucas, on the other hand, are warts caused by the human papillomavirus (HPV) and are not typically associated with being present at birth. Keratomas, which include conditions such as seborrheic keratosis, represent non-cancerous growths on the skin that usually develop later in life, not from birth. Corns are thickened areas of skin that develop due to friction or pressure, mostly on the feet, and are also not congenital. The uniqueness of nevi lies in their presence from birth or their early formation, making them synonymous with the term birthmarks. This clear association is why nevi is recognized as the correct answer in the context of the question about birthmarks.