A Patient Who Has Been NPO with Gastric Suction and IV

A patient who has been NPO with gastric suction and IV fluid replacement for 3 days following surgery develops nausea and vomiting, weakness, and confusion and has a serum sodium level of 125 mEq/L (125 mmol/L) . The nurse reviews the health care provider's postoperative medication and IV orders. Which health care provider order should the nurse question?

A) Administer 3% saline if serum sodium drops to less than 128 mEq/L.
B) IV morphine sulfate 4 mg every 2 hours prn.
C) Infuse 5% dextrose in water at 125 ml/hr.
D) Give IV metoclopramide (Reglan) 10 mg every 6 hours prn nausea.