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Module 3
UA 1 -- Chapter 27 Urinalysis Test Review
Term | Definition |
---|---|
What gives urine its Color? | Urochrome |
Colorless Urine | Very dilute |
Straw - Yellow Urine | Normal |
Dark Yellow to Amber | Very concentrated |
Orange | Analgesics; Antibiotics |
Cloudy Pink, Red, Reddish Brown | Hematuria (intact RBCs); Hemoglobinuria (ruptured RBCs) |
Yellow-Brown to Yellow-Green | Bilirubin |
Brown | Oxidized RBCs |
Black | Presence of melanin, Flagyl and certain hypertensives |
Green-Blue to Green | Pseudomonas, anti-depressants, Clorets |
When should you use Non-Sterile containers? | Random UA |
Specific Gravity (Sp.Gr.) | Renal/kidney's ability to concentrate urine (normal range 1.003-1.030) |
Urinary analysis can give us information about… | Many systems in the body |
Renal Threshold | Point at which a substance reaches a blood cocentration high enough for kidneys to start removing it and it is detected in urine |
What would you do with a specimen a Pt brings into the office in a mayo jar? | Discard, provide with sterile container and request new sample |
What type of UA is performed if only using a Reagent Strip (dipstick)? | Random |
What is the purpose of a Clean Catch? | To remove normal flora. Normal flora can impact the test results. |
Cloudy urine can be present for many reasons. Some of which are… | Presence of bacteria, WBCs, RBCs, protien or lipids, as well as other possible causes. |
Which test is used to check glucose in urine? | Clinitest -- note that if glucose is high, ketones may also be high. |
False positive for blood in urine most likely indicates what? | Pt is in menses (menstrual cycle) |
A Pt that has just worked out will most likely see an increase in what? | Ketones |
Supernatant | The clear fluid above sediment after centrifugation (spinning) |
How should you view a cloudy urine specimen? | First mix well then hold up to light source |
The higher the concentration of urine, the higher the what? | Specific Gravity (Sp.Gr.) |
What percentage of urine is water? | 95% |
What are three terms used for expelling urine? | Urination, Micturition, Voiding |
What is the minimum volume of urine needed for testing? | 10-12 mL |
When should you refrigerate a urine specimen? | When it cannot be tested within 1-2 hours |