___________ is thickened or hardened areas of skin caused by friction:

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Study for your Skin Care State Board Test with flashcards and multiple choice questions. Each question includes hints and explanations. Prepare effectively for your licensing exam!

Multiple Choice

___________ is thickened or hardened areas of skin caused by friction:

Explanation:
Thickened or hardened areas of skin caused by friction are keratomas. This happens when the epidermis responds to repeated rubbing or pressure by producing more keratin, forming a protective, tougher patch often seen as a callus. Verruca is a wart caused by HPV and isn’t simply a friction-related thickening; a mole or nevus is a pigmented skin lesion from melanocyte growth, not a friction-induced change. So keratoma best matches the description because it specifically denotes hyperkeratosis from mechanical irritation.

Thickened or hardened areas of skin caused by friction are keratomas. This happens when the epidermis responds to repeated rubbing or pressure by producing more keratin, forming a protective, tougher patch often seen as a callus. Verruca is a wart caused by HPV and isn’t simply a friction-related thickening; a mole or nevus is a pigmented skin lesion from melanocyte growth, not a friction-induced change. So keratoma best matches the description because it specifically denotes hyperkeratosis from mechanical irritation.

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