10 free ABFM practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
ABFM Practice Test 11Tutor mode
Question 1 of 10
Acute Care and Diagnosis
A 15-month-old girl was diagnosed 3 days ago with her first febrile urinary tract infection: temperature 39.2°C (102.6°F), pyuria, and more than 100,000 CFU/mL of Escherichia coli in a catheterized urine specimen. She has been afebrile for 36 hours on oral cephalexin, chosen by susceptibility, and is eating normally. Prenatal ultrasonography was normal, and there is no family history of kidney disease. Which one of the following is the most appropriate next step in evaluation?