The nurse notes that a patient's TPN (total parenteral nutrition) infusion is complete and a new bag is not available. Which action by the nurse is most appropriate?

Hang a bag of D10W to infuse at the TPN rate

Check the patient's blood sugar and administer D50W as needed

Call the provider to validate the order for the TPN

Flush the intravenous catheter line and wait for the next bag to arrive