New Jersey Cosmetology and Hairstyling Practice Exam

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What kind of injury results in leukonychia?

  1. To the cuticle

  2. To the base of the nail

  3. To the nail plate

  4. Frequent exposure to water

The correct answer is: To the base of the nail

Leukonychia, also known as white spots on the nail, is often caused by an injury to the base of the nail. This can occur from trauma or repeated pressure to the area, such as from wearing tight-fitting shoes or playing instruments. Options A, C, and D are incorrect as they do not directly pertain to the base of the nail where leukonychia typically occurs.

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