LECTURE 1: Changes in Unpreserved Urine
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22 Terms
Color
Identify the Analyte: ________
Cause: Oxidation or reduction of metabolites
(CHANGES IN UNPRESERVED URINE)
Modified/darkened
Identify the Change: ______
Analyte: Color
Cause: Oxidation or reduction of metabolites
(CHANGES IN UNPRESERVED URINE)
Odor
Identify the Analyte: ______
Cause: Bacterial multiplication or breakdown of urea to ammonia
(CHANGES IN UNPRESERVED URINE)
Increased
Identify the Change: _____
Analyte: Odor
Cause: Bacterial multiplication or breakdown of urea to ammonia
(CHANGES IN UNPRESERVED URINE)
pH
Identify the Analyte: ______
Cause: Breakdown of urea to ammonia by urease-producing bacteria/loss of CO2
(CHANGES IN UNPRESERVED URINE)
Increased
Identify the Change: ______
Analyte: pH
Cause: Breakdown of urea to ammonia by urease-producing bacteria/loss of CO2
(CHANGES IN UNPRESERVED URINE)
Nitrite
Identify the Analyte: ______
Cause: Multiplication of nitrate reducing bacteria
(CHANGES IN UNPRESERVED URINE)
Increased
Identify the Change: _____
Analyte: Nitrite
Cause: Multiplication of nitrate reducing bacteria
(CHANGES IN UNPRESERVED URINE)
Bacteria
Identify the Analyte: _____
Cause: Multiplication
(CHANGES IN UNPRESERVED URINE)
Increased
Identify the Change: _____
Analyte: Bacteria
Cause: Multiplication
(CHANGES IN UNPRESERVED URINE)
Clarity
Identify the Analyte: _____
Cause: Bacterial growth and precipitation of amorphous material
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change: ______
Analyte: Clarity
Cause: Bacterial growth and precipitation of amorphous material
(CHANGES IN UNPRESERVED URINE)
Glucose
Identify the Analyte:
Cause: Glycolysis and bacterial use
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change: _____
Analyte: Glucose
Cause: Glycolysis and bacterial use
(CHANGES IN UNPRESERVED URINE)
Ketones
Identify the Analyte: _____
Cause: Volatilization and bacterial metabolism
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change:
Analyte: Ketones
Cause: Volatilization and bacterial metabolism
(CHANGES IN UNPRESERVED URINE)
Bilirubin
Identify the Analyte:
Cause: Exposure to light / photo oxidation to biliverdin
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change:
Analyte: Bilirubin
Cause: Exposure to light / photo oxidation to biliverdin
(CHANGES IN UNPRESERVED URINE)
Urobilinogen
Identify the Analyte:
Cause: Oxidation to urobilin
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change:
Analyte: Urobilinogen
Cause: Oxidation to urobilin
(CHANGES IN UNPRESERVED URINE)
RBC and WBC casts
Identify the Analyte:
Cause: Disintegration in dilute alkaline urine
(CHANGES IN UNPRESERVED URINE)
Decreased
Identify the Change: _______
Analyte: RBC and WBC casts
Cause: Disintegration in dilute alkaline urine
(CHANGES IN UNPRESERVED URINE)
Note 
Flashcards (29)