Specimen collection Flashcards
What is urine?
Filtered blood
What is the best way to look at the urine under the microscope
Low light and closed iris diaphragm
What information does the urinalysis give us?
Kidney health and function
Toxins
Bacterial infection
Bladder stones
What time is the best time for a urine sample to be collected?
First thing in the morning
Why is an early morning sample the best?
Because it is the most concentrated and the best representation of the kidneys
What are the four ways to collect urine?
Voided or free catch
Bladder expression
Catheterization
Cystocentesis
Voided or Free Catch Sample
Best Midstream sample after cleaning the vulva or prepuce
Not a sterile sample
What is the most traumatic way to collect a urine sample?
Bladder expression
Could rupture the bladder
Not a sterile sample
What do you catheterize the bladder via the urethra with
Polypropylene or rubber catheter
What cells may you see an increase in with Catheterized samples?
Epithelial cells and red blood cells
Is a urine sample obtained via catheterization sterile?
Yes, as long as sterile technique is followed
Cystocentesis
Is a sterile sample and can be done on calm or easily restrained patients standing, or in dorsal or lateral recumbency
How long should does a sample need to sit before it is read and then placed in the refrigerator?
One hour
How long can a sample stay in the refrigerator for
6-12 hours
What does a refrigerated sample affect?
The specific gravity
