North Carolina EMT State Practice Exam

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What is a defining feature of full thickness (3rd degree) burns?

  1. Pain with blisters

  2. Redness and swelling

  3. No pain, white or charred appearance

  4. Moist and painful

The correct answer is: No pain, white or charred appearance

A defining feature of full thickness (3rd degree) burns is the absence of pain in the affected area, along with a characteristic white or charred appearance of the skin. This type of burn extends through all layers of the skin, damaging both the epidermis and dermis, as well as potentially affecting underlying tissues. The destruction of nerve endings in the deeper layers means that patients often do not feel pain directly in the burn area itself, which can be misleading as they might experience pain from surrounding areas that are not as severely burned. The white or charred appearance is due to the extensive damage to skin cells and underlying tissues from the heat, leading to a lack of blood flow and dead tissue. This contrasts with other types of burns that typically present with blisters, redness, and swelling, and are often painful due to intact nerve endings.

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