Management of Hyperglycemia in Total Parenteral Nutrition

A 65-year-old male patient with a history of chronic pancreatitis is admitted to the hospital for management of malnutrition secondary to his condition. The healthcare provider decides to initiate Total Parenteral Nutrition (TPN). After the TPN is started, the nurse notes that the patient's blood glucose level is significantly elevated. Which of the following actions should the nurse take to manage this complication?