Urine Preservatives Flashcards

1
Q

Refrigeration (2-8 C)

A

Doesn’t interfere with chemical tests
Raises Specific Gravity, Precipitates Urates and Phosphates

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2
Q

Toluene

A

Doesn’t interfere with routine test
Floats on surface of specimens and clings to pipettes and testing materials

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3
Q

Sodium Fluoride

A

Ideal for Drug Testing
Inhibits Reagent Strip Tests

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3
Q

Formalin

A

Preserves Sediments
Interferes with Chemical Tests

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4
Q

Phenol

A

Doesn’t interfere with routine test
Causes Odor Change

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