A nurse is caring for a toddler who had a plaster spica cast applied 6 hr ago. Which of the following actions is the nurse's priority?

A. Applying cushioning to the edge of the cast using adhesive tape is incorrect. While padding the edges of the cast can prevent skin irritation, it is not the priority in the first few hours after application. Circulatory status must be assessed first. B. Using a fan to circulate air around the cast is incorrect. Although plaster casts generate heat as they dry and can be uncomfortable, using a fan is not a priority over assessing circulation and neurovascular function. C. Repositioning the toddler every 2 hours is important to prevent pressure ulcers and discomfort but is not the immediate priority. Ensuring adequate circulation to the extremities takes precedence. D. Checking the color and temperature of the toddler's toes is correct. A spica cast can impair circulation, leading to complications such as compartment syndrome. Assessing the color and temperature of the toes helps determine if blood flow is adequate. Pale, cool toes could indicate compromised circulation, requiring immediate intervention.