Q. A 35-year-old woman presents to her primary care physician with lower abdominal pain, dysuria, and frequency for the past two days. She reports no recent travel, no fever, and no prior history of urinary tract infections. She has been sexually active with one partner for the past year. Vital signs include a blood pressure of 130/78 mm Hg, heart rate of 90/min, and temperature of 98.6 degrees Fahrenheit (37 degrees Celsius). A urinalysis and urine culture are performed, revealing the presence of white blood cells and gram-negative rods. Based on the patient's presentation and laboratory findings, which of the following is the most likely diagnosis?