A client with Addison's disease has a blood glucose level above 80 mg/dL 30 minutes after receiving 15 g of carbohydrates for symptoms of hypoglycemia. Which of the following would the nurse do now?
A) Inform the physician immediately.
B) Give the client milk and graham crackers.
C) Instruct the client to remain in bed.
D) Check the client's blood glucose level before each meal.