A Postoperative Patient Who Had Surgery for a Perforated Gastric

A postoperative patient who had surgery for a perforated gastric ulcer has been receiving nasogastric suction for 3 days.The patient now has a serum sodium level of 127 mEq/L (127 mmol/L) .Which prescribed therapy should the nurse question?

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