a client with a history of diabetes presents to the emergency department following several days of polyuria and polydipsia with nausea/vomiting. on admission, the client labs show a blood glucose level of 480 mg/dl (26.64 mmol/l) and bicarbonate level of 7.8 meq/l (7.8 mmol/l). the nurse suspects the client has diabetic ketoacidosis (dka). the priority intervention should include:
