A health care provider prescribes an intravenous (IV) solution of 5% dextrose and half-normal saline (0.45%) with 40 mEq of potassium chloride for a child with hypotonic dehydration. The nurse...

A health care provider prescribes an intravenous (IV) solution of 5% dextrose and half-normal saline (0.45%) with 40 mEq of potassium chloride for a child with hypotonic dehydration. The nurse performs which priority assessment before administering this IV prescription?

1. Obtains a weight 2. Takes the temperature 3. Takes the blood pressure 4. Checks the amount of urine output