What indicates a full-thickness burn?

A full-thickness burn is characterized by damage extending through all layers of the skin, which includes the epidermis, dermis, and subcutaneous tissue. This type of burn typically results in a loss of sensation in the affected area because it severely damages the nerve endings. The skin may appear white, leathery, or charred, and given the depth of the injury, there is usually no local redness or pain sensation in the areas directly affected. Recognizing a full-thickness burn is crucial for appropriate treatment, as it often requires specialized medical intervention, potentially including surgery or grafting.

The other options describe characteristics related to lesser degrees of burns, such as first-degree or second-degree burns, where damage is confined to specific layers of skin or involves intact nerve endings, allowing for pain sensation to be present. These distinctions are essential for proper assessment and management of burn injuries.