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Which nail condition features white spots that often result from injury?

  1. Leukonychia

  2. Onychosis

  3. Onychatrophia

  4. Kolionychia

The correct answer is: Leukonychia

Leukonychia, also known as white spots on the nails, are often seen as a result of minor nail injuries. They can also be caused by nutritional deficiencies, allergic reactions, or infections, but these are not associated with injury and therefore do not accurately answer the question. The other options, Onychosis, Onychatrophia, and Kolionychia, do not specifically mention the white spots that are characteristic of leukonychia and are not commonly associated with injuries. Therefore, they are not the correct answer for the question asked.