This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
Urine analysis of a patient with haematuria and hypercalciuria is most likely to reveal which of the following 
Select and explain. 
A. Isomeric RBC, B. RBC casts, C. Nephrotic range proteinuria, D. Eosinophilluria
A: Isomeric RBC
Answer: A: Isomeric RBC 
Explanation: Hematuria is the presence of red blood cells in the urine. Microscopic hematuria is invisible to the naked eye and is often found by urinalysis or urine dipstick; it is said to be chronic or persistent if 5 or more red blood cells (RBCs) per high-power field can be seen in 3 of 3 consecutive centrifuged specimens obtained at least 1 week apa Paediatrics nephrology 5/141