Comp Review - Urinalysis
Terms
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- Name four methods of urine specimen collection
- cystocentesis, catheterization, expressing the bladder, and natural voiding
- What are the two preferred urine collection methods? Which better of the two?
- cystocentesis and catheterization - cysto the best
- Urine is meds of 96% ___ and 4%___
- water, dissolved substances
- What are the three components of a routine UA?
- Gross exam (physical properties), chemical testing, microscopic exam
- What is the normal pH range of urine in a dog or cat?
- 5.5 - 7.5
- Ideally, a urine sample should be analyzed w/i ___ of collection.
- 30 minute (can go up to 1 hour)
- If immediate analysis is not possible, refrigeration preserves most urine constituents for ____.
- 6-12 hours
- ___ may form in refrigerated urine samples
- crystals
- What should be done w/ refrigerated samples before analysis?
- warm to room temp
- How much urine should be collected for analysis?
- 6-12 mls - as much as possible
- What changes could occur in a sample left sanding at room temp for more than an hour?
- RBCs and WBCs disintegrate, casts decompose, decr glucose bilirubin urobiligin & ketones, incr pH protein bacteria & turbidity, changes in color
- What is a normal urine SG in dogs? Cats?
-
Dogs - 1.025 "ten twenty-five"
Cats - 1.030 "ten thirty" - When kidneys have lost the ability to concentrate urine, the SG will become fixed at ___.
- 1.010 - "ten ten" - renal failure
- How much urine should be used for a UA?
- 5 mls
- How long should a UA sample be centrifuged?
- 5 minutes at 1500-2000 rpm
- A urine pH above 7.0 is considered ___
- alkaline
- A urine pH below 7.0 is considered ___
- acidic
- What are 4 terms used to describe urine transparency/turbidity?
- clear, hazy, cloudy, turbid
- What tranparency: no visible particular matter present
- clear
- What tranparency: some visible particular matter present, newsprint not distorted when viewed through urine
- hazy
- What tranparency: newsprint can been seen but letters are distorted or blurred
- cloudy
- What transparency: Newsprint cannot be seen through urine
- turbid
- Comp Review - Urinalysis
- Comp Review - Urinalysis
- Also view Amy's UA cards
- Also view Amy's UA cards