Which of the Following Statements About RBCs Found in a Urine

Multiple Choice

Which of the following statements about RBCs found in a urine microscopic examination is incorrect?

A) RBCs are highly refractile in unstained urine and can be difficult to differentiate from structures such as yeasts and oil droplets.
B) RBCs will shrink (crenate) in concentrated urine because the water in the RBC moves into the urine.
C) RBCs that have hemolyzed will appear on the microscopic examination.
D) A few RBCs can be normal.