Problem: The nurse provides care for a client admitted to the hospital for persistent vomiting and abdominal pain. A nasogastric (NG) tube is inserted and connected to suction. An intravenous infusion of 1,000 mL of DW with 20 mEq of potassium chloride is infusing at 100 mL per hour. The nurse understands potassium chloride has been added to the infusion for which reason? Need Assignment Help? (Select all that apply.) 1. Replaces the potassium lost in the gastric fluid. 2. Replaces decreased dietary potassium due to NPO status. 3. Prevents the development of arrhythmias. 4. Prevents the loss of potassium in the urine. 5. Helps correct hypokalemia.