A patient has a pressure ulcer in which subcutaneous fat is visible BUT bone, tendon or muscle is not exposed or visible. This is a:

1. A

   Stage II ulcer

2. B

   Stage III ulcer

3. C

   Stage IV ulcer

4. D

   Unstageable ulcer

Appeared in: GMCH - 2016

Explanation

• A Stage III pressure ulcer is defined as full-thickness skin loss where adipose (fat) tissue is visible in the ulcer.
• A key characteristic of this stage is that deeper structures like fascia, muscle, tendon, ligament, cartilage, and bone are not exposed.
• The clinical description provided in the question—visible subcutaneous fat without exposure of bone, tendon, or muscle—is the precise definition of a Stage III pressure ulcer.

Why Other Options Were Wrong

• Option A: A Stage II ulcer involves only partial-thickness skin loss (loss of dermis). The wound bed is pink or red, but subcutaneous fat is not visible.
• Option C: A Stage IV ulcer is more severe, characterized by full-thickness skin and tissue loss with exposed or directly palpable fascia, muscle, tendon, ligament, cartilage, or bone.
• Option D: An unstageable ulcer is one where the full depth cannot be determined because the wound bed is obscured by slough or eschar.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Pressure Ulcer Staging to guide bedside assessment, documentation, and the next nursing action.
• Accurate staging of pressure ulcers is a fundamental nursing skill that is critical for developing an effective plan of care, selecting appropriate wound dressings, and monitoring healing progress.
• Incorrect staging can lead to inappropriate treatment, delayed healing, and increased risk of complications like infection and osteomyelitis.
• What if? If the question described the same wound but with a layer of yellow, stringy tissue covering the base, it would be classified as 'Unstageable'. The priority would be to debride the wound (if appropriate) to visualize the base and determine the true stage (either III or IV).

How to Approach the Question

• Identify the key clinical findings in the question stem: 'subcutaneous fat is visible' and 'bone, tendon or muscle is not exposed'.
• This is a knowledge-based question requiring recall of the pressure ulcer staging system.
• Systematically review the definition of each stage in your mind.
• Stage II: Partial thickness, no fat visible.
• Stage III: Full thickness, fat is visible, but no deeper structures (bone/tendon/muscle).
• Stage IV: Full thickness, bone/tendon/muscle are visible.

Concept Tested & Keywords

• Concept Tested: Pressure Ulcer Staging
• Stem keywords: pressure ulcer, subcutaneous fat, visible, bone, tendon or muscle, not exposed
• Lead-in keywords: This is a
• Negative lead-in flag: false

Question ID

QODpJZOgu-ELv_d4PmcZ9i

Copy ID

Reference Book

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 70-72

E6 Nursing Fundamentals Taylor p. 560-562