A 61-year-old woman is admitted to hospital for treatment of pneumonia. Ceftriaxone is commenced. She is also taking hydrochlorothiazide for hypertension, glibenclamide for type II diabetes mellitus, and acetaminophen for osteoarthritis. 48 hours after admission, serum BUN is 52 mg/dL, creatinine is 2.3 mg/dL, and fraction excretion of sodium is 0.8%. Urine sediment is unremarkable. Urine blood, protein, and cells are negative. Which of the following is most likely to be seen in this patient?
Decreased angiotensin II
Decreased serum glucose
Increased serum eosinophils
Increased urinary osmolality
Increased pH of blood
