Which of the following information should a phlebotomist document during a glucose tolerance test?
Flavor of the glucose solution
Time the glucose load was completed
Amount of water ingested during the procedure
Volume of blood obtained during the procedure
The Correct Answer is B
Choice A reason:
The flavor of the glucose solution is not a relevant factor to document during a glucose tolerance test. The flavor does not affect the test outcome and is not a required piece of information for the test's validity or interpretation.
Choice B reason:
Documenting the time the glucose load was completed is crucial. The glucose tolerance test is time-sensitive, and blood samples are taken at specific intervals after the glucose solution is ingested. Accurate timing ensures that the results are valid and that any changes in blood glucose levels are correctly attributed to the patient's metabolic response to the glucose load.
Choice C reason:
While the amount of water ingested during the procedure may be noted for patient comfort, it is not typically a required piece of documentation. The focus of the glucose tolerance test is on the patient's response to the glucose solution, not on the volume of water consumed.
Choice D reason:
The volume of blood obtained during the procedure is generally standardized based on the test requirements and does not need to be documented each time. The phlebotomist must ensure that enough blood is collected for the analysis, but the exact volume is determined by the collection tubes used, which are designed to draw a specific volume.
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Related Questions
Correct Answer is C
Explanation
Choice A Reason:
A multipart requisition involves multiple copies of a paper form, which can be prone to errors due to manual entry, misplacement, or illegible handwriting. While it provides physical copies for various departments, it is not the most accurate method compared to digital solutions.
Choice B Reason:
A manual requisition is similar to a multipart requisition but typically consists of a single form. It carries the same risks of human error and does not offer the benefits of automated tracking and data entry that come with electronic systems.
Choice C Reason:
An automated requisition is considered the most accurate method for receiving orders for specimen collection. It reduces the risk of human error associated with manual data entry and allows for better tracking and integration with laboratory information systems. Automated systems can also provide immediate feedback if there is an issue with the order, such as a missing patient identifier or a test code.
Choice D Reason:
A verbal requisition is the least reliable method as it depends on the memory and communication skills of the individuals involved. It lacks the documentation and verification steps present in written or automated methods, making it susceptible to misunderstandings and errors.
Correct Answer is B
Explanation
Choice A Reason:
Positioning the needle at a 45° angle to the skin is not the recommended approach for venipuncture using a butterfly needle on dorsal hand veins. The correct angle for insertion is usually less than 45°, often around 15-30°, to ensure a shallow entry and reduce the risk of going through the vein.
Choice B Reason:
Holding the needle by the wings of the butterfly is the correct technique. This allows for better control and stability during insertion. The wings are designed to be held between the thumb and forefinger, providing an easy grip for the phlebotomist to maneuver the needle with precision.
Choice C Reason:
Instructing the patient to hold the collection tubes is not standard practice and could lead to pre-analytical errors. The phlebotomist should maintain control of the tubes to ensure proper blood flow and fill volume, as well as to prevent contamination or accidents.
Choice D Reason:
Applying the tourniquet at the antecubital area is not specific to the use of a butterfly needle for venipuncture on dorsal hand veins. While a tourniquet is used to engorge the veins and make them more prominent, its placement may vary depending on the selected puncture site and is not the action in question here.
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