The nurse is evaluating the effectiveness of the intravenous fluid therapy in a patient with hypernatremia. Which finding indicates goal achievement?
a. Urine output increases to 150 mL/hr.
b. Systolic and diastolic blood pressure decreases.
c. Serum sodium concentration returns to normal.
d. Large amounts of emesis and diarrhea decrease.
ANS: C
Hypernatremia is diagnosed by elevated serum sodium concentration. Blood pressure is not an accurate indicator of hypernatremia. Emesis and diarrhea will not stop because of intravenous therapy. Urine output is influenced by many factors, including extracellular fluid volume. A large dilute urine output can cause further hypernatremia.
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