Certified Neuroscience Registered Nurse (CNRN) Practice Exam

In assessing cast care, what should nurses pay close attention to?

1. Presence of odor and color

2. Cast weight

3. Cast dryness and perfusion checks

4. Thickness of the cast material

The correct answer is: Cast dryness and perfusion checks

Paying close attention to cast dryness and perfusion checks is crucial in assessing cast care. When a cast is applied, it is essential to ensure that it is drying properly and that blood circulation to the area is adequate. Proper cast drying is important because a wet cast can lead to skin breakdown, and prolonged moisture may promote skin infections. Nurses should monitor for signs that the cast is drying appropriately without being too tight or causing discomfort. Perfusion checks, including assessing capillary refill, skin color, and temperature of the extremity, are vital to ensure that there is adequate blood flow to the area below the cast. Compromised circulation can lead to serious complications, such as compartment syndrome, which can result in permanent damage if not addressed promptly. Therefore, monitoring both the dryness of the cast and the perfusion of the underlying tissues is fundamental to ensuring patient safety and effective healing.