A nurse is caring for an adolescent client who has a newly applied fiberglass cast for a fractured tibia. Which of the following is the priority action for the nurse to take?

A. A neurovascular assessment is priority to ensure circulation is adequate in the affected limb, preventing complications like compartment syndrome. B. Ice application can help reduce swelling but is secondary to ensuring circulation. C. Providing reassurance is supportive but not as critical as physical assessment. D. Discharge instructions are important but can follow the neurovascular assessment.