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