Changes in unpreserved urine Flashcards
1
Q
Color
A
Modified/ Darkened
Oxidation or reduction of metabolites
2
Q
Clarity
A
Decreased
Bacterial growth and precipitation of amorphous material
3
Q
Odor
A
Increased ammonia smell
Bacterial multiplication causing breakdown of urea to ammonia
4
Q
pH
A
Increased
Breakdown of urea to ammonia by urease-producing bacteria/loss
of CO2
5
Q
Glucose
A
Decreased
Glycolysis and bacterial use
6
Q
Ketones
A
Decreased
Volatilization and bacterial metabolism
7
Q
Bilirubin
A
Decreased
Exposure to light/photo oxidation to biliverdin
8
Q
Urobilinogen
A
Decreased
Oxidation to urobilin
9
Q
Nitrite
A
Increased
Multiplication of nitrate-reducing bacteria
10
Q
RBC, WBC and Casts
A
Decreased
Disintegration/lyse in dilute alkaline urine
11
Q
Bacteria
A
Increased
Multiplication
12
Q
Trichomonas
A
Decreased
Loss of motility, Death
