Iowa Cosmetology Practice Exam

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Study for the Iowa Cosmetology Exam. Prepare with flashcards and multiple choice questions, each question offers hints and detailed explanations. Get ready to ace your exam!

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Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Wet hair can stretch to what percentage of its length without breaking?

  1. 20%

  2. 30%

  3. 40%

  4. 50%

The correct answer is: 50%

Wet hair is more elastic than dry hair, which means it can stretch further without breaking. This is due to the water molecules in wet hair that allow it to stretch up to 50% of its length without breaking. The other options (20%, 30%, 40%) are incorrect as they do not take into account the elasticity factor of wet hair. It is also important to note that hair can only stretch to a certain extent before it breaks, so it is important to handle wet hair with care to prevent damage.

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