This nurse is caring for a client who is receiving prescribed tolvaptan. Which of the following findings would indicate a therapeutic response?

D Blood urea nitrogen (BUN) 5 mg/dL (1.785 mmol/L) [10-20 mg/dL, 2.1-8.0 mmol/L] C Total cholesterol 176 mg/dL (4.55 mmol/L) [-200 mg/dL, 3.5-5.2 mmol/L] B Urine specific gravity 1.010 [1.005-1.030] A Fasting blood glucose 100 mg/dL (5.55 mmol/L) [70-110 mg/dL, 4.0-6.0 mmol/L]