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. Checking the color and temperature of the toes helps assess for adequate circulation and potential complications like compartment syndrome. B. Applying cushioning to the cast edges is important for comfort but is not the immediate priority. C. Using a fan can help the cast dry faster but is not the priority action. D. Repositioning the toddler is important to prevent pressure sores, but ensuring proper circulation takes precedence.