Colorado Cosmetology Written Practice Exam

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What term is used to describe nails with a concave shape?

Onychia
Kolionychia
Onychatrophia
Onychorgryphosis

The correct answer is: Onychia

Many people incorrectly associate the term "onychia" with nails that have a concave shape. However, this term actually refers to a condition where there is inflammation and infection of the nail bed. Option B, "kolionychia," describes nails that are spoon-shaped and have a noticeable dip in the center, which is the opposite of a concave shape. Similarly, option C, "onychatrophia," refers to the wasting or degeneration of the nail, and does not specifically describe a concave shape. Option D, "onychorgryphosis," describes a condition where the nail becomes thickened and curved, often resembling a claw. It does not accurately describe a concave shape. Therefore, the correct answer is option A,"onychia," as it is the only term that specifically refers to nails with a concave shape.