StudyGuide Chapter 42 Urinalysis
Which steps would you take when performing a microscopic exam of a urine specimen?
*wash hands and put on gloves * follow all safety guidelines being careful not to splash the urine specimen *Examine specimen for proper labeling secure lid and mix urine *Label urine centrifuge tube with patients name pour 10 ML into tube balance centrifuge *centrifuge *pour off the supernatant leave about 1 ML of the between at 2 drops of sedi-stain, Remix * Place a drop of the well mixed sediment onto a clean microscope slide. Cover with cover slip * Place slide into microscope stage but don't have leave light on * Alert provider that the slide is ready for viewing.
Know what is included in the physician examination of urine
1. Access the volume to make sure its sufficient for testing 2. Observe and record the color, appearance and transparency of the specimen 3. Note any unusual urine color 4. Measuring the specific gravity of the specimen
Know the CLIA regulations that apply to urine testing.
1. Appropriate training in the methodology of the test being performed. 2. understanding of urine testing QC procedures 3. proficiency in the use instrumentation being able to troubleshoot problems 4. knowledge of stability and proper storage o reagents( substances involved in urine testing) 5. awareness of factors that influence test results 6. knowledge of how to verify test results 7. the microscopic examination of urine is designated by CLIA to be a PPMP ( provider performed microscopy procedure) and therefore must be performed by provider. The medical assistant is trained and able to prepare the slide for viewing and reading by the provider.
The normal range of specific gravity is
1.005 to 1.030
what would be an adequate amount of urine for a urinalysis?
10 ml (2teaspoons)
A urine specimen should not be held for more than ____ before it is examined?
2 hours
Which test is usually requested when a quantitate test is needed?
24 hour
Which specimens require added preservative in the container?
24 hour specimen
Name the Abnormal substances in urine.
Abnormal: Bile, Blood, Fat, Glucose, Protein, White blood cells, Urobilinogens, microorganisms
Know the classification for urine specimens
First morning specimen Random Specimen 34 Hour Urine Collection Culture or Sensitivity
The filtering unit of the kidney is the
Glomerulus
The most common urine specimen collection performed in the ambulatory setting is
Random Spot Specimen
Describe the color of normal urine
Straw (pale yellow) to yellow
Name the most frequently seen parasite in urine.
Tricomona
Which urine specimen my be required when specimens need to be sterile?
catheterized collection
What would an amber colored urine specimen indicate?
concentrated urine
What could a cloudy appearance of a urine specimen indicate?
presence of WBC, bacteria, yeast, contaminated vaginal discharge in women
Which significant crystal would be documented in the patients chart?
uric acid
