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Urinalysis and Specimen Collection Quiz

#1

Which of the following is a common constituent found in urine?

Urea
Explanation

Common nitrogenous waste product.

#2

Which type of specimen is most commonly used for urinalysis?

Random urine
Explanation

Collected at any time of the day.

#3

What is the specific gravity of water?

1.000
Explanation

Density used as a reference.

#4

What is the primary function of the renal system in urine formation?

Filtration of blood
Explanation

Elimination of waste.

#5

Which of the following is an example of an abnormal urine color?

Dark amber
Explanation

May indicate dehydration.

#6

What is the term for the presence of excessive protein in the urine?

Proteinuria
Explanation

Indicator of kidney dysfunction.

#7

Which chemical reagent is typically used to test for the presence of protein in urine?

Sulfosalicylic acid
Explanation

Precipitates proteins.

#8

Which of the following indicates a normal pH range for urine?

6.0 to 7.5
Explanation

Healthy urinary acidity level.

#9

Which of the following is a common method for urine specimen collection in infants?

Suprapubic aspiration
Explanation

Minimizes contamination risk.

#10

Which of the following substances is not typically tested for in routine urinalysis?

Cocaine metabolites
Explanation

Requires specific testing.

#11

Which condition is indicated by the presence of ketones in urine?

Diabetes mellitus
Explanation

Result of inadequate insulin.

#12

Which of the following substances can cause false-positive results in urine drug screening tests?

Poppy seeds
Explanation

Contain morphine.

#13

Which microscopic element is not typically found in normal urine?

Bacteria
Explanation

Indicates infection if present.

#14

Which of the following is a characteristic of a urine specimen suitable for analysis?

Sample received within 2 hours of collection
Explanation

Minimizes microbial growth.

#15

Which of the following is a common preservative used in urine specimens for microbiological analysis?

Thymol
Explanation

Prevents bacterial growth.

#16

Which of the following conditions may lead to the presence of bilirubin in urine?

Liver cirrhosis
Explanation

Liver dysfunction.

#17

What does the presence of hyaline casts in urine indicate?

Dehydration
Explanation

Loss of fluids.

#18

Which condition is associated with the presence of casts in urine sediment?

Glomerulonephritis
Explanation

Sign of kidney inflammation.

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