Certified Wound Ostomy Nurse (CWON) Practice Test

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Prepare for the Certified Wound Ostomy Nurse (CWON) Test. Use flashcards and multiple choice questions, featuring hints and explanations for each question. Get ready for your certification exam with confidence!

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What is the probable outcome of prolonged ischemia in tissues?

  1. Increased vitality of tissues

  2. Development of pressure injuries

  3. Enhanced cellular repair

  4. Decreased susceptibility to damage

The correct answer is: Development of pressure injuries

Prolonged ischemia, which refers to a reduction in blood flow to tissues, can lead to inadequate oxygen and nutrient supply for cellular metabolism. This deprivation results in tissue damage and can ultimately cause cell death. One significant consequence of this process is the development of pressure injuries, also known as pressure ulcers or bedsores. Pressure injuries often occur when there is prolonged ischemia due to unrelieved pressure on bony prominences, which can compromise blood flow. This risk increases in individuals with limited mobility, where blood flow may already be restricted due to other factors, such as existing health conditions or poor nutrition. The absence of adequate blood supply not only leads to tissue necrosis but also creates a more vulnerable environment where skin integrity is compromised, leading to the formation of ulcers. Thus, the connection between prolonged ischemia and the development of pressure injuries is a critical aspect of wound management and prevention in clinical practice, emphasizing the importance of regular repositioning and skin assessments in at-risk populations.