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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Correct Answer is D
Explanation
Choice A Reason:
Keeping the patient as upright as possible is not recommended in cases of shock. When a patient is in shock, it is important to lay them down and elevate their legs slightly, unless this position causes pain or further injury. This position helps improve blood flow to the brain.
Choice B Reason:
Providing a cooling blanket is not a standard first aid measure for shock due to a medication reaction. A cooling blanket may be used in cases of hyperthermia or heatstroke to reduce body temperature, but not typically for shock, which requires maintaining normal body temperature and preventing chilling.
Choice C Reason:
Administering oral fluids to a patient in shock is not advisable. During shock, a patient may have an impaired swallowing reflex or be unconscious, increasing the risk of aspiration. It is best to avoid giving anything by mouth until medical personnel arrive.
Choice D Reason:
Maintaining an open airway is crucial for a patient in shock. Ensuring that the airway is clear allows the patient to breathe effectively, which is essential for delivering oxygen to the tissues and organs. If the patient is unconscious or has an altered level of consciousness, the phlebotomist should check for breathing and begin CPR if necessary.
Correct Answer is A
Explanation
Choice A reason:
The standard recommendation for fasting before a blood specimen collection is typically between 8 to 12 hours¹²³. This duration is considered sufficient to ensure that food intake does not affect the blood test results, such as glucose or lipid levels.
Choice B reason:
A fasting period of 1 to 2 hours is too short and would not provide an accurate representation of the body's baseline levels for most tests that require fasting. It is important for certain levels, like blood sugar and lipids, to stabilize, which takes longer than 1 to 2 hours.
Choice C reason:
Fasting for 4 to 6 hours may be appropriate for some tests, but it is not the standard fasting duration for most blood tests that require fasting. The shorter time might not allow for the clearance of lipids and glucose from the bloodstream that can influence the test outcomes.
Choice D reason:
A 24-hour fast is generally not required for routine fasting blood tests and could be potentially harmful, as it may lead to hypoglycemia, especially in diabetic patients or those with metabolic disorders. It is excessive for the purposes of standard blood tests.
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