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urinalysis Ch 6

QuestionAnswer
you should examine a minimum of this number of fields when performing microscopic settlement examination. 10
A urine specimen maybe referred for a cytodiagnostic testing to detect? unusual malignant pathological cells
scanning the edge of the slide cover ensures that you won't miss these sediment constituents: the presence of cast
all sediment constituents are reported as quantity per high power field except squamous, mucus, casts
the chemical test for glucose may provide significant information regarding the presence of this microscopic element yeast because yeast eat sugar
using polarized microscopy what elements are birefringent (able to reflect) cholesterol, fatty acids, triglycerides
using standard bright field microscopy high power of magnification is 40x or 400
low light microscope levels are used to detect sediment and casts
crenated RBC's are associated with hypersensitive (concentrated) urine
dilute alkaline urine may have what elements present microscopically ghost cells RBCs
RBC in urine sediment and symptoms of back pain may indicate? kidney stones or renal calculi
RBCs, yeast, and oil droplets may be differentiated by adding acidic acid to lysed RBCs, oil is refractile, yeast budding
hypo chromic irregular shaped RBC's in urine sediment may indicate glomerular bleeding
what is a glitter cell neutrophil
an increase in urinary WBC's is known as pyuria
urinary sediment containing increase WBCs may also have this element present bacteria
when eosinophils are found in urine it indicates interstitial nephritis - inflammation of kidney in the space between the tubules
what are oval fat bodies RTE cells containing lipid
what type of cell lines the bladder transitional epithelial cells -flexible
when focusing the microscope use this element as a reference point epithelial cell
clue cells are veriation of the squamous epithelial cell
what organism may be found attached to clue cells gardnerella vaginitis bacteria
these cells are found in increased numbers in urine sediment only when kidney damage has occurred renal tubular epithelial cells
bilirubin is most likely to stain this type of cell renal tubular epithelials cells
collection of a mid stream clean catch will eliminate contamination with squamous cells
what element may be found in both a urine sediment and a vaginal wet prep clue cells
the formation of casts are enhanced by stasis of urine (how long it sits)
the major constituent of casts is Tammy-horsfall protein
how are waxy cast different from hyaline cast hyaline casts have a higher refractive index
where are cast formed distal convoluted tubules and collecting ducts
the presence of this element can differentiate between upper and lower UTI WBC casts are formed in the upper track
how can you differentiate a bacterial cast from a granular casts gram-stain
broad casts form as a result of renal failure, urinary stasis, and tubular destruction
bleeding in the nephron is associated with this sediment element RBC cast
Urinary stasis results in the formation of these elements Waxy, Broad, WBC Casts
Identification of crystals are based on solubility and pH
Normal acidic urine crystals are Amorphous urates, uric acid, calcium oxalate
Abnormal crystals are found in what type of urine pH acid urine
What information is helpful when identifying crystals PH and solubility
these crystals are found in alkaline urine Amorphis phosphates, calcium phosphate, triple phosphate, ammonium biurates, calcium carbonate
Crystals most often associated with disease are leucine and tyrosine
Refrigeration of urine causes the formation of amorphous urates, amorphous phosphates
Medication crystal formation are most often formed because of dehydration
the significance of bacteria is increased when Accompanied by WBC's
Used may appear in these forms Buds refractile oval structures or myCelia branched
Motility is a key factor in assisting with the identification of Trichomonas vagionitis
Urine artifacts differ from True sediment element by Larger size and more refractability
Mucus may be confused with Hyline casts
Created by: svankirk