Policies and Practices
Collecting Urine Specimen
Straining and testing urine
stool specimen
Cultures and Smears
100

A nursing assistant needs to collect a urine sample from her patient. When she hands the specimen container to the patient, the patient touches the inside of the container. What should the nursing assistant do?

Get another container, because this container has been contaminated

100

How should a 24-hour specimen container be stored?

In a refrigerated area

100

Why must the urine of a patient with stones be strained?

To catch stones so that they may be sent to the laboratory

100

From where in the stool should a sample be taken?

The middle

100

What is the mixture of specimen and saline called?

suspension
200

What type of tests may assistants perform?

CLIA-waived test

200

How much urine should be collected during an adult clean-catch urine procedure?

30 to 60 mL

200

In which case would a pregnancy test give a negative result even if the patient is indeed pregnant?

The level of hCG in the urine is too low

200

1 What might the presence of occult blood in stools indicate?

Colon cancer

200

What is mucus that forms in the bronchial tubes during a respiratory infection?

sputum
300

What is a specimen?

A sample that represents a whole.

300

Most 24-hour specimen containers contain ____ to keep the urine from developing microorganisms.

preservatives

300

Cloudy urine may indicate the presence of ____.

pus or mucus

300

What is occult blood?

Microscopic blood from the intestinal tract

300

What is the gelatin-like substance that is used to grow microorganisms in a culture?

Agar

400

How does CLIA rank tests?

According to the risk factors of incorrect results

400

Why are routine urine specimens often collected from the first void of the day?

The first void of the day is the most concentrated

400

When can hCG first be detected in the urine of pregnant women?

6 to 12 days following conception

400

  Approximately how much stool should be placed in a specimen container?

2 tablespoons

400

After completing the Gram's stain, what color should Gram-negative bacteria be?

pink
500

What item is used to keep a specimen container from spilling during storage or transporting?

Biohazard transport bag

500

When should a 24-hour urine specimen begin?

Second void of the day

500

Which type of urinalysis is NOT CLIA-waived?

microscopic tests
500

Which test is used to detect blood in stools?

Hemoccult

500

When is acid-fast staining used?

When the microorganisms are resistant to Gram’s stain

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