Quiz-5 - Urinalysis PDF

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URINANALYSIS QUIZ #5

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Question 1 1 out of 1 points A urine tested with Clinitest exhibits a pass-through reaction and is diluted by adding 2 drops of urine to 10 drops of water. This is a dilution of: Answers:

A. 1/6 B. 1/8 C. 1/5 D. 1/4

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Question 2 1 out of 1 points Which of the following is the primary reagent in the copper reduction tablet? Answers:

A. Glucose oxidase B. Citric acid C. Sodium carbonate D. Copper sulfate

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Question 3 1 out of 1 points A positive result for bilirubin on a reagent strip should be followed up by: Answers:

A. Performing an urobilinogen B. Requesting a new specimen C. Notifying the physician D. Performing an Ictotest

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Question 4 1 out of 1 points In the Acetest method, glycine is added for the purpose of: Answers:

A. Inhibition of beta-hydroxybutyrate B. Color enhancement C. Detection of acetone D. Providing an alkaline environment

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Question 5 1 out of 1 points To prepare the reagent used in confirmatory protein testing, a technologist would: Answers:

A. Dissolve 3 g of sulfosalicylic acid in 100 mL of water B. Combine 5 mL of glacial acetic acid and 95 mL of water C. Dissolve 5 g of trichloroacetic acid in 100 mL of water D. Combine 3 mL of hydrochloric acid and 97 mL of water

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Question 6 1 out of 1 points The technologist performs a UA and a copper reduction test on a 19-month old child. The reagent strip shows a positive result for glucose; the copper reduction test also produces a positive result. Which of the following is most likely present in the urine? Answers:

A. Galactose B. Lactose C. Glucose D. Homogentisic acid

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Question 7 1 out of 1 points All of the following interferences are associated with false-negative results with the Acetest method except:

Answers:

A. Improper storage of the urine specimen prior to testing B. Patient taking sulfhydryl containing meds C. Pass-through effect D. Using expired Acetest tablets

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Question 8 1 out of 1 points The confirmatory test for a positive protein result by the reagent strip method uses: Answers:

A. Sulfosalicylic acid B. Copper reduction tablet C. Diazo reagent D. Ehrlich reagent

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Question 9 1 out of 1 points When performing the sulfosalicylic acid test, false-positive results may occur in the presence of: Answers:

A. Alkali B. Radiographic contrast media C. Ketones D. Glucose

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Question 10 1 out of 1 points The technologist records these results on a UA and Clinitest: 4+ glucose on reagent strip and negative for Clinitest. The most likely explanation is: Answers:

A. The patient's urine contains other reducing substances and no glucose B. The patient is taking high doses of ascorbic acid C.

The Clinitest result indicates that the pass-through effect has occurred D. The specimen has been allowed to sit without preservation at the nurse's station for approximately 5 hours before delivery to the lab...