Written Laser Hair Removal Practice Exam

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Which of the following is NOT a function of hair?

  1. Protection from physical damage

  2. Vitamin D synthesis

  3. Sensory perception

  4. Regulation of body temperature

The correct answer is: Vitamin D synthesis

Hair serves various functions in the human body, such as protection from physical damage, sensory perception, and regulation of body temperature. However, hair itself does not directly participate in the synthesis of vitamin D. Instead, vitamin D synthesis occurs as a result of the interaction of sunlight with the skin. Therefore, option B is the correct answer as it does not align with the functions of hair.

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