Certified Rehabilitation Registered Nurse (CRRN) Practice Exam

Which factor does NOT contribute to the development of pressure sores?

1. Poor nutrition

2. Pressure

3. Moisture

4. Avoiding long periods of time with the head of the bed elevated

The correct answer is: Avoiding long periods of time with the head of the bed elevated

The development of pressure sores, also known as pressure ulcers or bedsores, is influenced by several key factors, including pressure, moisture, and poor nutrition. However, avoiding long periods with the head of the bed elevated is not a contributing factor to the development of pressure sores; rather, it is a measure to prevent them. When a patient is positioned in a way that consistently exposes certain areas of the body to prolonged pressure against a surface, such as a bed or chair, it can impede blood flow to those areas and lead to tissue damage. Pressure is a primary factor in the formation of these sores. Similarly, moisture can exacerbate skin damage and increase the risk of sores forming. Nutrition is crucial as inadequate dietary intake can weaken the skin’s integrity, making it more susceptible to injury. On the other hand, ensuring that the head of the bed is not elevated for extended periods can help redistribute pressure from specific vulnerable areas, thus protecting against the formation of pressure sores. By encouraging proper positioning and frequent repositioning, caregivers can mitigate the risk factors involved in developing these injuries.