A nurse is caring for a 10-year-old child who has acute glomerulonephritis (AGN). Which of the following findings should the nurse report to the provider?
A. Serum BUN 8 mg/dL
B. Serum creatinine 1.3 mg/dL
C. Blood pressure 100/74 mm Hg
D. Urine output 550 mL over 24 hr