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What does hypertrichosis refer to?

  1. Hospital grade cleaner

  2. Controlling germs

  3. Kills all microbial life

  4. Unusual amount of hair growth

The correct answer is: Unusual amount of hair growth

Hypertrichosis is a medical condition that causes a person to grow an unusual amount of hair on their body. It is not related to cleaning or controlling germs, so options A, B, and C are incorrect. Instead, hypertrichosis is a genetic or acquired condition that results in excessive hair growth and it may affect different areas of the body. This condition is often mistaken for hirsutism, which is another condition that causes excessive hair growth but is typically limited to certain areas of the body and can be caused by hormonal imbalances or certain medications.