The nurse is triaging a client with type 1 diabetes mellitus who presented to the emergency department with increased lethargy and Kussmaul respirations. A blood glucose test reveals a level of 525 mg/dL (28 mmol/L). Which laboratory results are consistent with diabetic ketoacidosis (DKA)? Reference Ranges Blood Glucose [74 to 106 mg/dL (4.1 to 5.9 mmol/L)] pH [7.35 to 7.45] HCO3- [21 to 28 mEq/L (21 to 28 mmol/L)]