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Which of the following best describes frostbite?

  1. Blistering from friction

  2. Intense itching from a rash

  3. When body tissue freezes, preventing blood from reaching the area

  4. When skin peels due to sunburn

The correct answer is: Blistering from friction

Frostbite is a condition that occurs when skin and underlying tissues freeze due to extreme cold temperature exposure. This prevents blood from reaching the affected area and causes damage to the tissue. Friction can contribute to the development of frostbite, but it is not the main cause. The conditions listed in options B and D are not related to frostbite at all. It is important to seek immediate medical attention if frostbite is suspected to prevent further damage to the affected area.