PAEA Surgery End Of Rotation (EOR) Practice Exam

How long does nonblanchable redness persist in Stage I pressure ulcers after pressure is released?

1. Less than 30 minutes

2. Greater than 1 hour

3. It resolves within 3/4 of the time pressure was applied

4. It remains indefinitely

The correct answer is: It resolves within 3/4 of the time pressure was applied

In Stage I pressure ulcers, nonblanchable redness is a key indicator of skin injury due to prolonged pressure. This redness indicates that the skin is not able to blanch (turn white) when pressed, suggesting significant vascular compromise. When pressure is released, the expectation is that this redness will resolve as blood flow returns to the area. The correct answer reflects the understanding that nonblanchable redness typically resolves within a timeframe related to how long the pressure was applied. Specifically, it often resolves within three-quarters of the duration that the pressure was maintained, as blood supply and normal skin integrity begin to recover during this period. This principle is grounded in the body's physiological response to pressure. When pressure is removed, normal perfusion and circulation help the affected tissue regain its typical appearance and function. Understanding this response is crucial for managing and preventing further tissue damage in patients at risk for pressure ulcers.