The nurse is preparing intravenous fluids for a patient with hypernatremia. Which of the following types of fluids would be indicated for this patient?
1. 5% dextrose and 0.45% normal saline
2. 10% dextrose in water
3. 0.45% normal saline
4. Lactated Ringer's
3
Rationale: To effectively treat hypernatremia, the patient will need to be provided with hypotonic intravenous fluids. The fluid 0.45% normal saline is a hypotonic fluid. The fluids of 5% dextrose and 0.45% normal saline and 10% dextrose in water are hypertonic solutions and would not be used to treat hypernatremia. Lactated Ringer's is an isotonic solution and would not be effective when treating hypernatremia.
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