Changes in unpreserved urine Flashcards

1
Q

Color

A

Modified/ Darkened

Oxidation or reduction of metabolites

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2
Q

Clarity

A

Decreased

Bacterial growth and precipitation of amorphous material

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3
Q

Odor

A

Increased ammonia smell

Bacterial multiplication causing breakdown of urea to ammonia

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4
Q

pH

A

Increased

Breakdown of urea to ammonia by urease-producing bacteria/loss
of CO2

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5
Q

Glucose

A

Decreased

Glycolysis and bacterial use

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6
Q

Ketones

A

Decreased

Volatilization and bacterial metabolism

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7
Q

Bilirubin

A

Decreased

Exposure to light/photo oxidation to biliverdin

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8
Q

Urobilinogen

A

Decreased

Oxidation to urobilin

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9
Q

Nitrite

A

Increased

Multiplication of nitrate-reducing bacteria

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10
Q

RBC, WBC and Casts

A

Decreased

Disintegration/lyse in dilute alkaline urine

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11
Q

Bacteria

A

Increased

Multiplication

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12
Q

Trichomonas

A

Decreased

Loss of motility, Death

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