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

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Prepare for the Wound, Ostomy and Continence Nurses Society Exam. Utilize flashcards and multiple choice questions with detailed explanations to enhance your readiness for the exam day!

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What characterizes support surface active therapy?

Constant inflation of air chambers
Powered surfaces that inflate according to a defined cycle
Surfaces that only respond to patient weight
Use of water beds for pressure relief

The correct answer is: Powered surfaces that inflate according to a defined cycle

Support surface active therapy is characterized by powered surfaces that inflate according to a defined cycle. This approach involves dynamic surfaces that adjust in response to changing pressure distributions created by the patient's movements. The cycling action helps in redistributing pressure away from areas at risk of pressure injury, effectively enhancing blood flow and reducing the likelihood of skin breakdown. Unlike static surfaces, which may provide minimal pressure relief through constant inflation, dynamic surfaces are specifically designed to adapt continuously, ensuring optimal support. This feature is crucial for patients who may be immobile or have limited ability to reposition themselves, allowing for active pressure relief and improving overall therapeutic outcomes.