A patient was fitted with an arm cast after fracturing her humerus. Twelve hours after the application of the cast, the patient tells the nurse that her arm hurts. Analgesics do not relieve the pain. What would be the most appropriate nursing action?
A. Reapply the cast more tightly
B. Elevate the arm and apply cold compresses
C. Administer a stronger analgesic
D. Notify the healthcare provider for further evaluation