A nurse is assessing a client who has a pressure ulcer. The nurse should recognize which of the following findings is a manifestation of a stage 3 pressure ulcer?

A. Exposed bone refers to a stage 4 pressure ulcer, which involves full-thickness tissue loss with bone, muscle, or tendon exposure. B. Blood-filled blisters are more indicative of a stage 2 ulcer, which involves partial-thickness skin loss with blister formation. C. A stage 3 ulcer is characterized by full-thickness skin loss, with damage extending into subcutaneous tissue, where necrosis may occur. D. Partial-thickness skin loss is a characteristic of a stage 2 pressure ulcer, not stage 3.