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Which of the following vacutainer tubes is routinely used for hematolog testing?
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Lavender-topped
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No anticoagulants are found in which of the following tubes?
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Red-topped
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If a laboratory test requires serum, which vactainer tube is the tube of choice?
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Red-topped
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Foe collection of blood specimen during a glucose tolerance test, which type of tube is used?
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Gray-topped
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_______ is an anticoagulant that prevents platelets from clumping and preserves the appearance of blood cellsfor microscopic preparation.
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Ethylenediamine tetraacetice acid (EDTA)
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The slant at the open end of a needle used for venipuncture is termed the:
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Bevel
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The needle size most commonly used for adult venipuncture is _______ gauge.
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21
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The needle size most commonly used by the blood bank for donation is _______ gauge.
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16
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The needle size most commonly used on infants or elderly patients is _______ gauge.
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23
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Plasma could be retrieved from a:
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All the above: red, lavender, and gray-topped vacutainer tube
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A tourniquet is used during the phlebotomy procedure to:
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Both b and c: prevent venous flow out of the site and cause the vein to bulge
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A tourniquet should remain tied on a pt's arm no longer than:
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2 minutes
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Without a clot activator, whole blood typically clots in ______ minutes.
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30 to 60
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Thixotropic gel, found in SST red and gray marbled-topped vacutainer tube:
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Is less dense than red blood cells but more dense than serum
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The _______ is the portion of the venipuncture needle tat fits into the syringe or vacutainer adapter.
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Hub
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