Which of the following information should be included with a non-blood specimen that is delivered to the laboratory?
Specimen source
Specimen color
Specimen temperature
Specimen clarity
The Correct Answer is A
Choice A reason:
The specimen source is critical information that must be included with a non-blood specimen delivered to the laboratory. It identifies the origin of the specimen, such as urine, cerebrospinal fluid, or a swab from a specific site. This information is essential for the laboratory to process and analyze the specimen appropriately.
Choice B reason:
While the specimen color may be noted for certain types of specimens, it is not a required piece of information for all non-blood specimens. Color can be an important characteristic for some analyses, but it is not as critical as the specimen source for laboratory processing.
Choice C reason:
Specimen temperature is not typically documented upon delivery to the laboratory unless the specimen requires temperature control during transport, such as certain microbiological cultures. In general, the temperature at the time of collection is not a standard requirement.
Choice D reason:
Specimen clarity might be relevant for specific tests, such as urine analysis, where clarity can indicate the presence of substances like proteins or crystals. However, it is not a universally required piece of information for all non-blood specimens.
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Related Questions
Correct Answer is D
Explanation
Choice A reason:
The axillary vein is not commonly used for routine venipuncture due to its location in the armpit area, where it is more difficult to access and poses a higher risk of complications.
Choice B reason:
The median cubital vein is often the vein of choice for venipuncture due to its size and accessibility. However, in the case of a patient with bilateral scarring on the forearms, this vein may be compromised, making it a less suitable option.
Choice C reason:
The basilic vein, while also a common site for venipuncture, is located on the inner aspect of the arm and may be affected by the scarring on the patient's forearms. Additionally, it is closer to nerves and arteries, which increases the risk of complications.
Choice D reason:
The dorsal hand veins are a good alternative for venipuncture when the more common sites are not available, such as in the case of a patient with bilateral scarring on the forearms. These veins are usually more superficial and can be accessed with minimal risk of complications.
Correct Answer is A
Explanation
Choice A Reason:
The median cubital vein is often the first choice for venipuncture due to its size and accessibility. It is located in the antecubital fossa and is usually well anchored by surrounding tissues, which makes it less likely to roll during needle insertion. This vein is also less painful for patients when punctured due to its location and the type of surrounding tissue.
Choice B Reason:
The basilic vein is another option for venipuncture, but it is not typically the first choice. It is located on the medial aspect (inner side) of the arm and is more prone to rolling and injury because it is not as well anchored as the median cubital vein. Additionally, the basilic vein is located near nerves and arteries, which increases the risk of complications during venipuncture.
Choice C Reason:
The cephalic vein runs along the lateral aspect (outer side) of the arm and can be used for venipuncture. However, it is often more difficult to locate and has a tendency to roll, which can make venipuncture more challenging. It is usually considered after the median cubital vein.
Choice D Reason:
Veins on the underside of the wrist should generally be avoided for routine venipuncture because they are often smaller, can be more painful due to the proximity to nerves and tendons, and have a higher risk of complications. These veins are considered only when other sites are not available or are unsuitable for venipuncture.
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