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BOC Urinalysis
Urinalysis: Microscopic Examination
| Question | Answer |
|---|---|
| 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
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