Problem: A client is admitted for severe hypokalemia due to excessive vomiting and diarrhea. The nurse knows which intervention would be most appropriate? Need Assignment Help? O 1. Provide a high-potassium diet. 2. Give IV potassium chloride (KCI) supplements. 3. Obtain a 12-lead electrocardiogram (ECG) after 24 hours. 4. Administer sodium polystyrene sulfonate three times a day.