Urinalysis in small animals Flashcards
How soon should a sample preferably be looked at after collection?
One hour post collection
If it is not possible to look at a sample immediately, what should be done before using it for urinalysis?
Refrigerate, then warm up to room temperature
What should you check on a macroscopic exam of urine?
1.
2.
3.
Colour, odour, transparency
What are you looking for microscopically when you examine a urine sample? 1. 2. 3. 4.
Sediment, tubular casts, epithelial cells, bacteria
How would you go about examining urine sediment? (5 steps)
Spinning the sample, remove the liquid portion, stain the sediment and re-suspend, take a drop of the sediment and look at under slide
Crystalluria are normal to see, true or false?
True, the presence of crystalluria does not indicate the presence or predisposition to the formation of urinary calculi
What increases the liklihood that crystalluria will form in a sample?
Being examined at a cold temperature or prolonged storage
What are renal tubular casts?
Plugs of proteinaceous mucoprotein that accumulate in the distal portion of the renal tubule
The presence of renal casts in low number indicates renal tubular disease, true or false?
False, low numbers can be normal, but there an increase in numbers relates to tubular disease
Is it normal to see small numbers of epithelial cells on a urinalysis slide, true or false?
True
Where are transitional cells found in the urinary tract?
Renal pelvis, ureter, bladder and proximal 2/3 of ureter
The lack of bacteria on a slide rules out a UTI, true or false?
False
If bacteria is present in a slide, it can only be from the urinary tract, true or false?
False, it can be from contamination of sample handling.
How would you obtain a urine sample for culture and sensitivity?
Cystocentesis
What container would you use to hold urine in before sending a sample off to the lab?
Boric acid container