A patient with laboratory data are below: pH – 7.15 HR -…

A patient with laboratory data are below: pH – 7.15 HR – 115 bpm BUN – 6 mg/dl PaCO2 – 27 mmHg RR – 34 breaths/min Creatinine – 0.8 mg/dl PaO2 – 90 mmHg Temp – 37oc Glucose – 650 mg/dl HCO3 – 13 mEq/L Bilirubin – 0.5 mg/dl BE – (-6 mEq/L) WBC – 8,000 mm3 To resolve the problem, this patient  should be treated with: