Difficulty: Medium

Average Score: 50%

Which of the following instructions should a phlebotomist provide to a patient who is collecting a urine specimen for culture?

Rationale

Clean the genital area prior to collection.

Properly cleaning the genital area before collecting a urine specimen for culture helps prevent external contaminants from affecting the test results. This step is crucial to ensure the sample is as pure and accurate as possible.

A (Capture the initial stream of urine.') YOUR ANSWER

While capturing the initial stream of urine is a common instruction for certain urine tests, such as urinalysis, it is not specifically required for a urine culture. The focus of a urine culture is on the microbial content within the urine rather than the initial portion of the stream.

B (Clean the genital area prior to collection.') CORRECT

This is the correct instruction for a patient collecting a urine specimen for culture. Cleaning the genital area helps minimize the risk of introducing external bacteria that could contaminate the sample and affect the culture results.

C (Fill the container to capacity.') YOUR ANSWER

For a urine culture, it is not necessary to fill the container to capacity. In fact, providing a larger volume of urine than required for the culture test may not be beneficial and could lead to dilution of the sample.

D (Label the lid prior to collection.') YOUR ANSWER

While labeling the specimen container is an essential step in the collection process to ensure proper identification, labeling the lid specifically before collection is not a standard instruction. The focus should be on correctly labeling the container after the sample is collected.

Conclusion

Instructing a patient to clean the genital area before collecting a urine specimen for culture is crucial to maintaining the integrity of the sample and obtaining accurate test results. This step helps reduce the risk of external contamination, ensuring that the cultured bacteria are representative of the patient's urinary tract flora.

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