A client with diabetic ketoacidosis (DKA) was admitted to th…

A client with diabetic ketoacidosis (DKA) was admitted to the intensive care unit 4 hours ago. The following laboratory results are available: blood glucose level 450 mg/dL, serum potassium level 2.5 mEq/L, serum sodium level 140 mEq/L, and urine specific gravity 1.025. The client has two IV lines infusing normal saline solution, and total urine output over the past 4 hours is 50 mL. Which of the following physician orders should the nurse question?