This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': "Ayoung lady presentwith symptoms ofUrinary TVact Infection. All of the following findings on a midstream urine sample suppo the diagnosis of 'UncomplicatedAcute Cystitis', Except - \nSelect and explain. \nA. Positive Nitrite Test, B. CFU count < 1000/ml, C. Detection of one bacteria/ field on Gram stain, D. )>10WBC/HPF", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Acute uncomplicated cystitis in women is defined as an uncomplicated lower UTI in a pre-menopausal, non-pregnant woman with no known urological abnormalities or comorbidities. Classical lower urinary tract symptoms include dysuria, urinary frequency, urgency and sometimes haematuria . Ref Harrison20th edition pg 233', 'role': 'assistant'}]