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22 Cards in this Set
- Front
- Back
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6 mLs
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What is the minimum amount of urine that should be collected to prepare a urine sediment examination?
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Sedi Stain or NMB
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What are two types of stain that are commonly used for urine?
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Hyaline Casts
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These casts are considered insignificant in small numbers in the urine.
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Squamous Epithelium
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These cells typically originate from the distal 1/3 of the urethra, vagina, or prepuce.
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Transitional Epithelium
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These cells originate from the bladder or proximal 2/3 of urethra. They are two to four times larger than WBC's.
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Renal Tubular Epithelium
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These cells typically originate from the kidney. Typically they are larger than leukocytes and smaller than transitional epithelial cells. They are not found in normal urine except occasionally. If there are Increased numbers they may suggest tubular damage.
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Identify this
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Hyaline cast
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Identify this
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Cellular cast
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Identify this
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Waxy cast
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Identify this
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Granular casts
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What are some miscellaneous structures that are found in urine and are not artifacts?
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Bacteria, fungi, fat droplets, mucus threads, spermatozoa
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Which crystal type is found in alkaline to slightly acidic urine?
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Struvites
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These types of crystals are found in neutral and acidic urine.
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Calcium Oxalates
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List some pathological crystals
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Struvites, ammonium biurate, and monohydrate calcium oxalate, cystine, and bilirubin crystals
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Animals with liver disease may have this type of crystal present in their urine.
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Leucine Crystals
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These crystals are not commonly found in most dogs and cats. However, they are a common finding in the Dalmatian breed.
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Uric Acid Crystals
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The best samples for urine sediment examination are ____________samples or samples collected after several hours of water. Why is this the case?
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Morning samples. These samples are more concentrated. More concentrated samples makes the chances of finding formed elements better.
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True or False:
In a urine sample from a healthy pet there may be a few casts, crystals, epithelial cells, RBC's, WBC's |
TRUE
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How does refrigeration of samples affect urine examination?
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There are often more crystals than in fresh samples. Also, sometimes the crystals dissolve when a refrigerated sample warms up to room temperature.
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Identify the structures noted by arrows.
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Red Blood Cells
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Identify the structures noted by arrows.
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White Blood Cells
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Identify the structures illustrated by arrow and arrowhead.
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Arrow- bacteria (rods)
Arrowhead-WBC |
