Which of the following instructions should a phlebotomist provide to a patient who is collecting a urine specimen for culture?
"Capture the initial stream of urine."
"Clean the genital area prior to collection."
"Fill the container to capacity."
"Label the lid prior to collection."
The Correct Answer is B
Choice A reason:
Capturing the initial stream of urine, also known as the "first catch," is not recommended for a urine culture. This part of the urine stream can contain contaminants from the urethral opening and is not ideal for culture testing, which requires a clean sample.
Choice B reason:
Cleaning the genital area prior to collection is crucial for obtaining a clean-catch urine specimen. This reduces the risk of contamination from bacteria that are normally present on the skin around the urinary opening. Patients should be instructed to use antiseptic wipes to clean the area before collecting the urine sample.
Choice C reason:
Filling the container to capacity is not necessary and is not a specific instruction for urine culture collection. The focus should be on obtaining a midstream sample after the genital area has been cleaned, which provides a more accurate representation of the urine for culture purposes.
Choice D reason:
Labeling the lid prior to collection is an important step in the process to ensure proper identification of the specimen. However, it is not the primary instruction related to the actual collection of the urine sample. The label should include the patient's name, date, and time of collection and should be done after the sample is collected to avoid confusion or contamination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
Choice A reason:
The patient's insurance provider name is not typically required on a CBC specimen label. While insurance information is crucial for billing purposes, it does not serve as an identifier for the specimen itself and is therefore not documented on the label.
Choice B reason:
The phlebotomist's full name is not a requirement for a CBC specimen label. The focus of documentation on the label is on patient identification and specimen integrity, not the identity of the healthcare professional collecting the specimen.
Choice C reason:
A phlebotomist's certification number is also not required on a CBC specimen label. While the phlebotomist's credentials are important for their professional status, they are not part of the necessary documentation for a specimen label.
Choice D reason:
The patient's identification number is a critical piece of information that must be documented on a CBC specimen label. This unique identifier links the specimen to the patient's medical record, ensuring that the test results are accurately recorded in the patient's health history.
Correct Answer is B
Explanation
Choice A Reason:
The timeline of the individual prior to specimen collection is important for context but is not typically part of the chain of custody documentation. The chain of custody focuses on the handling of the specimen rather than the activities of the individual before the collection.
Choice B Reason:
The identity of each person who handles the specimen is a critical element of the chain of custody. This information ensures that the specimen can be tracked at every stage from collection to analysis, and any potential tampering can be identified and addressed.
Choice C Reason:
While the physical and mental status of the individual may be noted in medical records or police reports, it is not a standard part of the chain of custody for a blood alcohol test. The chain of custody's purpose is to track the specimen, not the condition of the individual.
Choice D Reason:
The condition of the specimen every hour is not required in the chain of custody documentation. What is necessary is the documentation of any changes in the condition of the specimen that could affect the integrity of the results, such as temperature excursions or signs of tampering.
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