Certified Specialist in Geriatric Nutrition Practice Exam

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Stage 3 pressure ulcer is characterized by which description?

Full-thickness pressure ulcer extending into subcutaneous tissue and resembling a crater

Stage III ulcers show full-thickness tissue loss with damage extending through the dermis into the subcutaneous tissue. This depth often creates a crater-like wound bed, and subcutaneous fat may be visible. Importantly, bone, tendon, or muscle are not exposed at this stage. This distinguishes it from partial-thickness ulcers (which do not reach the subcutaneous tissue) and from Stage IV ulcers (which involve exposure of bone, tendon, or muscle). Stage I would show intact skin with non‑blanchable redness.

Full-thickness with exposed bone

Partial thickness loss of epidermis

Skin intact with redness

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