A nurse is reviewing the medical record of a client who has acute leukemia. Diagnostic Results Diagnostic Results Month One: WBC count 15,500/mm3 (5,000 to 10,000/mm3) RBC count 4.3 million/mm3 (4.2 to 5.4 million/mm3) Hemoglobin 15 g/dL (12 to 16 g/dL) Hematocrit 45% (37% to 47%) Platelet count 160,000/mm3 (150,000 to 400,000/mm3) PT 11.5 seconds (11 to 12.5 seconds) INR 1 second (0.8 to 1.1 seconds) PTT 65 seconds (60 to 70 seconds) Sodium 139 mEq/L (136 to 145 mEq/L) Potassium 4.2 mEq/L (3.5 to 5 mEq/L) Glucose 100 mg/dL (74 to 106 mg/dL) BUN 16 mg/dL (10 to 20 mg/dL) Creatinine 0.8 mg/dL (0.5 to 1 mg/dL) Calcium 9.5 mg/dL (9 to 10.5 mg/dL) Vitamin D 65 ng/dL (25 to 80 ng/dL) Month Three: WBC count 15,500/mm3 (5,000 to 10,000/mm3) RBC count 4.0 million/mm3 (4.2 to 5.4 million/mm3) Hemoglobin 11 g/dL (12 to 16 g/dL) Hematocrit 33% (37% to 47%) Platelet count 100,000/mm3 (150,000 to 400,000/mm3) PT 13.5 seconds (11 to 12.5 seconds) INR 2.2 seconds (0.8 to 1.1 seconds) PTT 85 seconds (60 to 70 seconds) Sodium 137 mEq/L (136 to 145 mEq/L) Potassium 4.5 mEq/L (3.5 to 5 mEq/L) Glucose 98 mg/dL (74 to 106 mg/dL) BUN