Wound, Ostomy and Continence Nurses Society (WOCN) Practice Exam

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Which method is NOT typically used to assess perfusion/oxygenation?

  1. Capillary refill

  2. Pulses

  3. Ankle-brachial index

  4. Visual inspection of the wound bed color

The correct answer is: Visual inspection of the wound bed color

The method that is not typically used to assess perfusion or oxygenation is visual inspection of the wound bed color. While inspecting a wound bed color can provide some information, it is not a reliable or direct indicator of overall perfusion or oxygenation status in a patient. Capillary refill tests how quickly blood returns to the capillaries after being compressed and provides a quick assessment of peripheral perfusion. The presence and quality of pulses reflect the adequacy of circulation in specific arterial locations, which is directly linked to oxygenation levels in the tissues. The ankle-brachial index is a specific, objective test used to compare blood pressure readings at the ankle and the arm, which can indicate peripheral artery disease and evaluate perfusion quantitatively. In contrast, while wound color may suggest some level of blood flow and healing, it is influenced by many factors, such as the type of tissue, moisture levels, and external lighting, making it less reliable than other assessment methods specifically tied to perfusion and oxygenation.

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