Ch. 53 Assisting in Phlebotomy – Flashcards
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Red top
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Has no additives and allows blood to clot
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lavender top
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Contains EDTA
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light-blue top
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Used for coagulation testing
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green top
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Heparin tubes have a
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cephalic vein
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the major vein on the thumb side of the arm is the
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phlebotomy
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the practice of drawing blood
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superficial vein
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during venipuncture blood is drawn from the
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hemoconcentration
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An increase in the concentration of blood cells in proportion to the plasma
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stat
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immediately
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serum
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The liquid portion of blood after it is clotted
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lavender top
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Which is the following vacutainer tubes is routinely used for hematology testing?
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red top
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no anticoagulants are found in this tube
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gray top
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which type of tube should be used to collect blood specimens during a glucose tolerance test?
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Ethylenediamine tetraacetic acid(EDTA)
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Is an anticoagulant that prevents platelets from clumping and preserves the appearance of blood cells for microscopic preparation
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bevel
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the slant at the open end of a needle used for venipuncture
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21 gauge
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the needle size most commonly used for adult venipuncture
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16 gauge
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the needle size most commonly used by the blood bank or donation
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23 gauge
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the needle size most commonly used for infants and elderly adults
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An SST red-gray tube & a PST green-gray tube
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Plasma could be retrieved from
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Prevent venous flow out of the site & cause the vein to bulge
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A tourniquet is used during phlebotomy procedure to
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1 minute
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A tourniquet should remain tied on a patient's arm no longer than
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30-60 minutes
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Without a clot activator whole blood typically clots in
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Less dense than red blood cells but more dense than serum
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Thixotropic gel found in the SST red gray marbled topped vacutainer is
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hub
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The part of the venipuncture needle that fits into the syringe or vacutainer adapter
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light blue, red, lavender
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The lab requisition indicates that you are to collect a venous blood specimen for hematology testing, serum chemistry testing, and coagulation studies
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lavender top
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You are required to collect a venous sample for a typical hematology test the complete blood count. You collect a
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The patient's veins are fragile
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A syringe is preferred over a vacutainer collection device when
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Hemoconcentration
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Leaving a tourniquet ted on a patient's arm for no longer than the recommended time results in
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Isopropyl alcohol
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Before a routine venipuncture or capillary puncture the site is cleaned with
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15 degrees
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In a routine venipuncture the angle at which the needle enters the arm should be
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After applying the tourniquet & before inserting the needle
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During a routine venipuncture, when should the phlebotomist request the patient make a fist?
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When blood enters the first tube being drawn
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During a routine venipuncture when should the phlebotomist request the patient release the fist?
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As the last tube to be drawn begins to fill
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When is the correct time to remove the tourniquet during a routine venipuncture?
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Medial cephalic, Medial basilic & Supplementary cephalic
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Which vein can be used for routine venipuncture?
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Butterfly needle
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A winged infusion set is also know as a:
