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aubf prelim (2) lec > Intro Urinalysis: Specimen Preservation > Flashcards

Intro Urinalysis: Specimen Preservation Flashcards

1
Q

Most routinely used method of preservation is

A

Refrigeration (2to8degree Celsius)

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2
Q

Examples of chemical preservatives:

A

Thymol
Formalin
Acid
Sodium carbonate
Sodium fluoride
Phenol
Toluene

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3
Q

Ideal Preservative

A

Bactericidal
Urease
Form elements

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4
Q

Refrigeration
Advantage:
Disadvantages: increase specific gravity
Use: storage of test

A

Acceptable for routine 24 hours and inexpensive

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5
Q

Refrigeration
Advantage: inexpensive and acceptable routine of 24 hour
Disadvantages:
Use: storage of test

A

increase specific gravity

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6
Q

Refrigeration
Advantage: inexpensive and acceptable routine of 24 hour
Disadvantages: increase specific gravity
Use:

A

storage of test

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7
Q

Thymol
Advantage:
Disadvantages: acid precipitation
Use:sediment preservation

A

Preserve glucose

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8
Q

Thymol
Advantage: preserve glucose
Disadvantages:
Use:sediment preservation

A

acid precipitation

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9
Q

Thymol
Advantage: preserve glucose
Disadvantages: acid precipitation
Use:

A

sediment preservation

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10
Q

Formalin
Advantage:
Disadvantages: reducing agents
Use: cytology

A

cellular preservatives

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11
Q

Formalin
Advantage: cellular preservatives
Disadvantages:
Use: cytology

A

reducing agents

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12
Q

Formalin
Advantage: cellular preservatives
Disadvantages: reducing agents
Use:

A

cytology

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13
Q

Color
Observation: darken or changes
Mechanism:

A

Bilirubin

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14
Q

Color
Observation:
Mechanism: oxidation bilirubin

A

darken or changes

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aubf prelim (2) lec (7 decks)

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