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Clinical Chemistry II > Sodium > Flashcards

Sodium Flashcards

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1
Q

_____ catalyzes the conversion of o-nitrophenyl-B-D-galacatopyranoside (ONPG) to o-nitrophenol and galactose

A

B-galactosidase

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2
Q

The absorbance increase at ____ is proportional to the sodium concentration in the sample

A

405 nm

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3
Q

Components of R1

A

THAM buffer
Chelator
B-galactosidase

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4
Q

Components of R2:

A

THAM buffer
ONPG

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5
Q

interfering substances:

A

Ascorbic acid
Conjugated bilirubin
Unconjugated bilirubin
Lipemia
Hemoglobin
Calcium
Copper
Iron
Lithium
Magnesium
Potassium
Zone

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6
Q

Conversion factor

A

2.30 mg/dL

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7
Q

Reference range

A

135-145 mmol/L

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8
Q

Specimen

A

Serum or plasma (lithium heparin)

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Clinical Chemistry II (23 decks)

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