Colorado Cosmetology Written Practice Exam

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What describes the thickening of the nail plate?

Furrows
Onychavxis
Onychophagy
Perionychium

The correct answer is: Onychavxis

The thickening of the nail plate is described as onychauxis. Onychophagy refers to nail biting, which is a behavior rather than a characteristic of the nail. Furrows are long, narrow, and shallow depressions in the nail plate, while the perionychium is the skin and tissue surrounding the nail. Therefore, neither A nor D are correct answers for this question.