Montana Cosmetology Licensure Practice Exam

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What can lead to onychorrhexis?

  1. Tight fitting shoes

  2. Nutrition, injury or illness

  3. Injury, careless filing, vitamin deficiencies

  4. A parasite

The correct answer is: Injury, careless filing, vitamin deficiencies

Onychorrhexis is a condition that affects the nails and can cause them to be brittle and crack or split easily. Tight fitting shoes (A), although uncomfortable, will not cause this condition. While a parasite (D) can cause damage to the nails, it is not a common cause of onychorrhexis. Nutrition, injury or illness (B) may contribute to the condition, but they are not the main cause. The most common causes of onychorrhexis are injury, careless filing, and vitamin deficiencies (C). These can weaken the nails and make them prone to breaking and splitting. By addressing these causes, one can help prevent and treat onychorrhexis.

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