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12 Cards in this Set
- Front
- Back
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Objectives:
1. To identify properties of freshly voided urine. 2. To determine normal and pathologic constituents of urine. |
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Note the following properties of fresh urine:
a. color b. odor c. transparency |
a. yellow
b. aromatic c. clear |
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Let the urine sample stand for 1-2 hrs and observe again the properties:
a. color b. odor c. transparency |
a. yellow
b. no odor c. clear |
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Test the reaction of urine to litmus paper:
a. blue litmus b. red litmus |
a. turns to red
b. no reaction |
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Test for urea:
Place a strip of red litmus at the mouth of the test tube. Result: |
turns to blue
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Test for uric acid:
Add 5 drops of phosphotungstic acid and mix well. Result: |
white ppt
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Test for creatinine:
Add 1 ml of alkaline picrate solution. Result: |
turns to red congo
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Test for glucose:
FEHLING'S TEST Result? Is glucose normally present in urine? What is its pathological significance? BENEDICT'S TEST Result? Does the result obtained in Fehling's confirm the result in Benedict's test? |
FEHLING'S TEST
turns to green yes negative for diabetes BENEDICT'S TEST turns to flesh |
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Test for albumin
Result? What is the pathological significance? |
form lumps by addition of acetic acid (turns to yellow)
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Test for blood
Is blood normally present in urine? What is its pathological significance? |
yellow white
no negative for hematuria |
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Test for bile pigments
Result? Is bilirubin normally present in urine? What is its pathological significance? |
brown ring
no dysuria ?? no bile pigments |
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In conclusion, the properties of a normal voided urine are as follows:
color - yellow odor - aromatic transparency - clear |
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