A Postoperative Patient, Who Has Not Had Oral Intake for Several

Multiple Choice

A postoperative patient, who has not had oral intake for several days and is receiving D5W at 125 mL/hr, complains of nausea and new onset of a persistent headache.Which laboratory value should a nurse relate to this clinical presentation?

A) Creatinine 1.1 mg/dL
B) Serum potassium level 5.2 mEq/L
C) Serum sodium 125 mEq/L
D) Urine sodium 122 mEq/24 hr