The Nurse Is Caring for a Patient with Syndrome of Inappropriate

The nurse is caring for a patient with syndrome of inappropriate antidiuretic hormone secretion (SIADH) who has a serum sodium level of 118 mEq/dL and symptoms of fluid overload. Which IV fluid will the nurse expect to administer to this patient in order to correct the patient's fluid imbalance?

A) 0.33% normal saline
B) 0.45% normal saline
C) 0.9% normal saline
D) 3% normal saline