During a shift change report, a nurse notices that a patient's IV bag of 0.9% sodium chloride has 900 mL of fluid remaining. The nurse checks again 30 minutes later and finds that the IV bag is empty. What should the nurse do in this situation?

D Check the client's respiratory rate and lung sounds C Measure the client's temperature B Elevate the head of the bed to high Fowler's A Request NPO status for the client