Chem Exam Of UA Flashcards by Kath Estacio | Brainscape

Q

Principle of leukocyte

A

Leukocyte eaterase

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Q

Principle of blood (RBC)

A

Pseudo peroxidase activity of hb

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Q

Ketones principle

A

Na nitroprusside rxn (Legal’s Test)

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Q

Glucose principle

A

Double sequential enzyme rxn

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Q

Bilirubin principle

A

Diazo rxn

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Q

Protein principle

A

Proten (sorensen’s) error of indicator

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Q

pH principle

A

Double indicator system

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Q

Urobilinogen principle

A

Ehrlich rxn

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Q

Nitrite principle

A

Greiss rxn

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Q

SG principle

A

Pka change of a polyelectrolyte

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Q

Positive color of leukocyte

A

Purple

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Q

Positive color of protein

A

Blue

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Q

Positive color of ketones

A

Purple

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Q

Positive color of blood (RBC)

A

Uniform green/blue (hgb or mb)

Speckles/spotted (intact RBCs)

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Q

Positive color of nitrite

A

Uniform pink

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Q

Positive color of urobilinogen

A

Red

Q

Color of pH in acidic and alkaline urine

A

Orange (acidic 5.0)

Blue (alkaline 9.0)

Q

Positive color of glucose

A

Green to brown

Q

Positive color of bilirubin

A

Tan or pink to violet

Q

Color of SG

A

Blue (1.000) to yellow (1.030)

Q

Reading time of blood (RBC)

A

60s

Q

Reading time of leukocyte

A

120s

Q

Reading time of pH

A

60s

Q

Reading time of nitrite

A

60s

Q

Reading time of glucose

A

30s

Q

Reading time of urobilinogen

A

60s

Q

Reading time of bilirubin

A

30s

Q

Reading time of protein

A

60s

Q

Reading time of SG

A

45s

Q

Reading time of ketones

A

40s

Q

Principle of automated reagent strip reader

A

Reflectance photometry

Q

Influenced by number and size of particles in a solution

A

SG