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To mitigate pain and swelling of an injured limb, what is a key recommendation when using ice?

  1. Apply ice directly to the skin for maximum effects

  2. Use ice for more than 40 minutes for greater impact

  3. Always combine ice with a topical treatment for more relief

  4. Incorporate a barrier like a damp towel for skin protection

The correct answer is: Incorporate a barrier like a damp towel for skin protection

Incorporating a barrier like a damp towel for skin protection when applying ice to an injured limb is essential for several reasons. Directly applying ice without a barrier can lead to skin damage, including frostbite, because extreme cold can constrict blood vessels too much and hinder circulation. Using a damp towel or cloth acts as insulator, allowing for the effective transmission of cold while reducing the risk of skin injury. This method ensures that the cold penetrates deep enough to help manage pain and swelling, while also providing a safeguard for the skin's surface. Therefore, the recommendation to use a barrier reflects safe practice and promotes optimal healing conditions.