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BOC Urinalysis

Urinalysis: Microscopic Examination

In most compound microscopes, the ocular lens has a magnification of: 10x
The best way to lower the light intensity of the microscope is to: lower the rheostat
The advantage to using phase microscopy in urinalysis is to enhance constituents with a low refractive index
The presence of leukocytes in urine is known as: pyuria
Oval fat bodies are: RTE cells that contain lipids
A microscopic exam reveals ghost cells. These RBCs seen in urine with a specific gravity < 1.007
Glitter cells are a microscopic finding of: WBCs in hypotonic urine.
What cell is MOST commonly associated with vaginal contamination? squamous epithelial cells
A reagent strip test for blood has been reported positive. Micro exam fails to yeild RBCs. This patient's condition can be called: hemoglobinuria
Ghost RBCs are seen in urine that is: alkaline and dilute
The possibility of detecting glitter cells is associated with urine that is: dilute
Clue cells are a form of: squamous epithelial cells
Which of the following cells is most likely to be seen in the urine sediment following a catheterization procedure? urothelial cell
All casts typically contain: Tamm-Horsfall glycoprotein
Hyaline casts are usually found: under subdued light
Which of the following casts is most likely to be found in healthy people? hyaline
Which of the following casts is most indicative of end stage renal disease? waxy
Which of the following aids in differentiating a spherical transitional cell from a round renal tubular cell? eccentrically-placed nucleus in the renal tubular cell.
The urine microscopic constituents that best differentiate between cystitis and pyelonephritis are: WBC casts
Epithelial cell casts are most indicative of: tubular necrosis
Granular casts found in the urine of a football player admitted to the hospital with a broken leg occurring during the game. What causes granular casts? strenuous exercise
Which of the following casts most frequently appears to have a brittle consistency? waxy
To distinguish between a clump of WBCs and a WBC cast, it is important to observe: The presence of the cast matrix
Spherical urethelial cells may be confused with: RTE cells
Prior to reporting a RBC cast, it is important to observe:
In a specimen with a large amount of bilirubin, which of the following sediment constituents woud be most noticeably bile-stained? RTE cell casts
A white precipitate in a urine specimen with a pH of 7.5 would most probably be caused by: amorphous phosphates
Which of the following is an abnormal crystal described as a hexagonal plate? cystine
After warming, a cloudy urine clears. This is due to the presence of: urates
Tiny, colorless, dumbbell-shaped crystals were found in an alkaline urine sediment. They most likely are: calcium carbonate
Which of the following crystals may be found in acidic urine? calcium oxalate
Which of the following crystals appear as fine, silky needles. tyrosine
Which of the following crystals is seen in an amber urine with a positive bilirubin? tyrosine
Following ingestion of ethylene glycol (antifreeze) numerous crystals are found in the urine. The shape of these crystals is: dumbbell or ovoid
Cholesterol crystals will most likely be observed in urine that contains: 4+ protein
Polarized light can often be used to differentiate between: fibers and mucous clumps
Which of the following contaminants has a dimpled center and will polarize? Starch
A technologist is having trouble differentiating between RBCs, oil droplets and yeast cells. Acetic acid should be added to the sediment to: lyse the RBCs
When identifying urinary crystals, which reagent strip result is most important? pH
Bacteria are considered significant in the urine sediment when the: leukocytes is positive
Which of the following exhibits rapid motility in urine sediment? Trichomonas vaginalis
Which of the following positive chemical reactions is most closely associated with the presence of yeast in the urine sediment? glucose
A 21 year old woman had glucose in her urine with a normal blood sugar. These findings are most consistent with: renal glycosuria
Created by: skrr1988