This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
What is the minimum number of Red Blood Cells /til of urine required for diagnosis of hematuria ? 
Select and explain. 
A. 3 RBC/pL, B. 5 RBC/pL, C. 8 RBC/pL, D. 10 RBC/pL
A: 3 RBC/pL
Answer: A: 3 RBC/pL 
Explanation: Answer- A. 3 RBC/pLMircoscopic hematuria is defined as the praence of three or more red blood cells per high- power field on microscopic evaluation of urinary sediment from two of three properly collected urinalysis specimens.