Which symptom would lead the nurse to suspect a deep tissue pressure injury?
a. Full-thickness tissue loss with exposed bone, tendon, cartilage, or muscle.
b. A shallow open injury with a red-pink wound bed without bruising.
c. Localized purple or maroon area of discolored intact skin.
d. Localized area of skin, typically over a bony prominence, that is intact with nonblanchable redness.