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