Phlebotomy Practical Biochemistry Quizzes
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Questions and Answers

What gauge needle is recommended to prevent hemolysis?

  • 16 gauge
  • 20 gauge (correct)
  • 18 gauge
  • 22 gauge

    • Where should a tourniquet be applied for vein evaluation?

  • Below the elbow
  • 2-3 inches above the elbow (correct)
  • 3-4 inches above the elbow
  • Directly on the wrist

    • What step follows the application of a tourniquet during phlebotomy?

  • Prepare and clean the site
  • Examine the arm
  • Stabilize the vein (correct)
  • Find a suitable vein

    • What is the last step after blood collection?

    <p>Apply pressure for 2-3 minutes</p> Signup and view all the answers

    Which item is crucial for mixing anticoagulants or preservatives in blood collection tubes?

    <p>Vacutainer adapter</p> Signup and view all the answers

    What should be done before labeling blood collection tubes?

    <p>Invert blood tubes 5-10 times</p> Signup and view all the answers

    Which area should be avoided when choosing a site for venipuncture?

    <p>Lower extremities</p> Signup and view all the answers

    Signup and view all the answers

    What is the act of puncturing a vein with a needle called?

    <p>Venipuncture</p> Signup and view all the answers

    What is the breaking of blood cells called?

    <p>Hemolysis</p> Signup and view all the answers

    What is the hollow center of a needle called?

    <p>Lumen</p> Signup and view all the answers

    What is used to draw blood and has wings on each side?

    <p>Butterfly</p> Signup and view all the answers

    What device is used in the lab to spin blood and separate the liquid and solid portions of the blood?

    <p>Centrifuge</p> Signup and view all the answers

    What is the area in front of the elbow called?

    <p>Anticubital space</p> Signup and view all the answers

    What should be asked to the patient before drawing blood?

    <p>Screen for Latex Allergy</p> Signup and view all the answers

    What is the inflammation of a vein with blood clot formation called?

    <p>Thrombophlebitis</p> Signup and view all the answers

    What is a vacuum tube used to draw blood called?

    <p>Vacutainer</p> Signup and view all the answers

    What is a blood-filled bruise caused when a blood vessel is broken called?

    <p>Hematoma</p> Signup and view all the answers

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