Fun Quiz: Test Your Urinalysis & Body Fluids Knowledge

#1. The presence of sufficient quantities of ascorbic acid in urine has the potential of causing false positive reactions with which of the following?

Tests based on a diazo reaction

Protein precipitation tests

Copper reduction tests

Tests based on release of oxygen from a peroxide and oxidation of a chromagen

#2. Which of the following changes occur when a urine specimen is left at room temperature for longer than 1-2 hours?

Decreased bacteria

Increased bilirubin

Increased glucose

Decreased ketones

#3. The following are routine laboratory tests usually included in analysis of CSF except

Protein level

Leukocyte differential counts

Cell counts

Creatinine level

Glucose level

#4. The following may cause oliguria except

Dehydration

Vomiting

Excessive sweating

Alcohol consumption

Diarrhea

#5. Renal failure casts formed from the advanced stage of hyaline, granular or cellular casts

Coarse granular casts

Fine granular casts

Fatty casts

Broad casts

Waxy casts

#6. The following parasites can be found in urine except

Trichomonas hominis

Trichomonas vaginalis

Schistosoma haematobium

Enterobius vermicularis

#7. Which of the following statements on Ropes Clot Test is false

It is a test that reflects the polymerization of synovial fluid hyaluronate

It is a bedside test for evaluating synovial fluid–SF viscosity or quality of the synovial fluid mucin clot,

Good clot formation occurs in a variety of inflammatory conditions

A few drops of synovial fluid is added to acetic acid to form a clot

#8. The presence of which of the following chemical constituents will help differentiate waxy casts and disposable diaper fibers

Glucose

Ketones

Acid pH

Protein

Leukocyte esterase

#9. Abnormal crystals found in urine seen as yellow-brown spheres with concentric circles or radial striations

Cystine

Tyrosine

Triple Phosphate

Uric acid

Leucine

#10. An elevated urine urobilinogen and a negative test for urine bilirubin may indicate which of the following conditions?

Urinary tract infection

Hemolytic disease

Biliary obstruction

Acute hepatic toxicity

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