MICROSCOPIC EXAM AUBF UPDATED ACTUAL Questions and CORRECT Answers

MICROSCOPIC EXAM AUBF UPDATED
ACTUAL Questions and CORRECT
Answers
Purpose is to detect and to identify insoluble materials present in the urine - CORRECT
ANSWER - Microscopic Examination of Urine


Specimens should be examined while fresh or adequately preserved; minimizes external
contamination of the sediment - CORRECT ANSWER - Specimen Preparation


usually between 10 and 15 mL; 12-mL volume is frequently used because multiparameter
reagent strips are easily immersed in this volume, and capped centrifuge tubes are often
calibrated to this volume - CORRECT ANSWER - Specimen Volume


400 RCF for 5 minutes; calibration should be routinely performed every 3 months - CORRECT
ANSWER - Centrifugation



Volume of Sediment after Decantation - CORRECT ANSWER - 0.5 to 1.0 mL



Volume of Sediment Examined - CORRECT ANSWER - 20 μL



BC/WBC ,RTE cells & Oval fat bodies - CORRECT ANSWER - ave #/10 HPF



Casts - CORRECT ANSWER - average number per lowpower field (/lpf)



0/1+/2+/3+/4+ or negative, rare, few, moderate, many - CORRECT ANSWER - Epithelial
cells, crystals and other elements


Physical: Turbidity, Red color

, Chemical: Blood, Protein

Exceptions: Number, Hemolysis - CORRECT ANSWER - RBCs


Physical: Turbidity
Chemical: Nitrite, Protein, LE

Exceptions: Number, Lysis - CORRECT ANSWER - WBCs


Physical: Turbidity
Chemical: None

Exceptions: Number - CORRECT ANSWER - Epithelial cells


Physical: None
Chemical: Protein

Exceptions: Number - CORRECT ANSWER - Casts


Physical: Turbidity
Chemical: PH up, Nitrite, Leukocytes

Exceptions: Number and type - CORRECT ANSWER - Bacteria


Physical: Turbidity, Color
Chemical: PH, Bilirubin

Exceptions: Number and type - CORRECT ANSWER - Crystals



10x - CORRECT ANSWER - OCULAR MAGNIFICATION



10x - CORRECT ANSWER - LPO