A medical assistant needs to collect four tubes during a blood draw. Which of the following tubes should be filled last?
Yellow
Light blue
Red
Gray
The Correct Answer is D
A. Yellow: The yellow tube, used for blood cultures, is typically collected first to prevent contamination.
B. Light blue: The light blue tube is used for coagulation studies and should be collected before tubes containing additives that could interfere with coagulation tests.
C. Red: The red tube, which may contain no additives or a clot activator, is usually collected after the light blue tube.
D. Gray: The gray tube is used for glucose testing and should be filled last as it contains additives that could interfere with other tests if collected earlier.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Urinalysis results: Urinalysis results are not specifically relevant to an orthopedic consultation unless there is a suspected underlying condition affecting the urinary system.
B. Radiology report: Radiology reports, such as X-rays or MRIs, are essential for orthopedic consultations as they provide crucial information about bone and joint conditions.
C. Tympanometry measurements: Tympanometry is used to assess middle ear function and is not relevant to orthopedic consultations.
D. Lipid panel: A lipid panel measures cholesterol levels and is not pertinent to orthopedic consultations unless related to overall health factors.
Correct Answer is C
Explanation
A. Microvilli: Microvilli are cellular extensions found on the surface of some cells, not inside the cell.
B. Cilia: Cilia are projections on the cell surface and are not located inside the cell.
C. Cytoplasm: The cytoplasm is the gel-like substance inside the cell membrane that contains organelles and other cellular components.
D. Interstitial fluid: Interstitial fluid is found outside the cells, in the spaces between cells, not inside the cell itself.
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