The Nurse Is Caring for a Patient with Type 1

The nurse is caring for a patient with type 1 diabetes who was admitted with complaints of increased lethargy.Serum laboratory values validate the diagnosis of diabetic ketoacidosis (DKA) .Which statement best describes the rationale for administrating potassium supplements with the patient's insulin therapy?

A) Potassium replaces losses incurred with diuresis.
B) The patient has been in a long-term malnourished state.
C) Intravenous (IV) potassium renders the infused solution isotonic.
D) Insulin drives the potassium back into the cells.