The nurse is reviewing the laboratory results for a client who is scheduled for a cholecystectomy. Which result is most important for the nurse to report to the surgeon? Reference Range Glucose [74 to 106 mg/dL (4.1 to 5.9 mmol/L)] Creatine [0.5-1.1 mg/dL (44 to 97 μmol/L)] Potassium (3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L)] Hemoglobin [16 to 18 g/dL (160 to 180 g/L)]