Phlebotomy Practical Biochemistry Lecture Quizzes
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Questions and Answers

What is the meaning of phlebotomy?

  • The act of blood clotting
  • The area in front of the elbow
  • The breaking of blood cells
  • Collecting blood (correct)

    • What is thrombophlebitis?

  • A vacuum tube used to draw blood
  • The hollow center of a structure
  • Inflammation of a vein with blood clot formation (correct)
  • The act of puncturing a vein with a needle

    • What does hemolysis refer to?

  • A device used in the lab to spin blood and separate its components
  • A blood-filled bruise caused by a broken blood vessel
  • The slant at the end of a needle
  • The breaking of blood cells (correct)

    • What is a butterfly in the context of phlebotomy?

    <p>A smaller needle with wings on each side used to draw blood</p> Signup and view all the answers

    What is the function of a centrifuge in the context of phlebotomy?

    <p>To spin blood and separate the liquid and solid portions of the blood</p> Signup and view all the answers

    What does anticubital space refer to?

    <p>The area in front of the elbow</p> Signup and view all the answers

    What is meant by the term 'thrombus' in phlebotomy?

    <p>A blood clot</p> Signup and view all the answers

    What is the significance of asking about latex allergy before drawing blood?

    <p>To prevent allergic reactions in patients</p> Signup and view all the answers

    What does coagulate refer to in the context of phlebotomy?

    <p>The act of blood clotting</p> Signup and view all the answers

    What is hematoma in the context of phlebotomy?

    <p>A blood-filled bruise caused when a blood vessel is broken; collection of blood under the skin</p> Signup and view all the answers

    What is meant by 'lumen' in phlebotomy?

    <p>The hollow center of a structure (needle)</p> Signup and view all the answers

    What does ecchymosis refer to?

    <p>A bruise</p> Signup and view all the answers

    Which gauge needle is recommended to prevent hemolysis?

    <p>20 gauge</p> Signup and view all the answers

    Where should a tourniquet be applied to evaluate the vein for blood draw?

    <p>Around the upper arm</p> Signup and view all the answers

    What should be done after allowing the blood flow to normalize?

    <p>Remove the tourniquet</p> Signup and view all the answers

    How should the needle be inserted for venipuncture?

    <p>At a 15-degree angle</p> Signup and view all the answers

    What should be done if no bleeding occurs after removing the needle?

    <p>Apply a band-aid</p> Signup and view all the answers

    What should be done to ensure proper mixing of anticoagulants or preservatives in blood tubes?

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

    "A good vein stands out when the tourniquet is applied" - what sense should be used more than sight to choose a vein?

    <p>&quot;Touch&quot;</p> Signup and view all the answers

    "Lower Extremities" refers to which part of the body for blood draw?

    <p>Legs and feet</p> Signup and view all the answers

    "Apply tourniquet 2-3 inches above elbow or desired blood draw site" - why is this step important?

    <p>&quot;To cause veins to stand out&quot;</p> Signup and view all the answers

    "Place in Biohazard Bag x 2" - why is double bagging important?

    <p>&quot;To prevent contamination&quot;</p> 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 does hemolysis refer to in the context of phlebotomy?

    <p>The breaking of blood cells</p> Signup and view all the answers

    What is the significance of asking about latex allergy before drawing blood?

    <p>To ensure patient safety and prevent allergic reactions</p> Signup and view all the answers

    What is the function of a centrifuge in the context of phlebotomy?

    <p>To spin blood and separate the liquid and solid portions</p> Signup and view all the answers

    What does coagulate refer to in the context of phlebotomy?

    <p>The act of blood clotting</p> Signup and view all the answers

    What sense should be used more than sight to choose a vein for venipuncture?

    <p>Touch/feel</p> Signup and view all the answers

    What is meant by 'lumen' in phlebotomy?

    <p>The hollow center of a structure (needle)</p> Signup and view all the answers

    What is a butterfly in the context of phlebotomy?

    <p>A smaller needle with wings on each side used to draw blood</p> Signup and view all the answers

    What should be done to prevent hemolysis during blood collection?

    <p>Use a 21 gauge or bigger needle</p> Signup and view all the answers

    What should be used more than sight to choose a vein for blood draw?

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

    How should the needle be inserted for venipuncture?

    <p>At a 15 degree angle</p> Signup and view all the answers

    Why is it important to apply a tourniquet 2-3 inches above the elbow or desired blood draw site?

    <p>To evaluate the vein for blood draw</p> Signup and view all the answers

    What should be done to ensure proper mixing of anticoagulants or preservatives in blood tubes?

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

    What is the significance of asking about latex allergy before drawing blood?

    <p>To inform the medical professional about potential allergic reactions</p> Signup and view all the answers

    What does 'lumen' refer to in phlebotomy?

    <p>Diameter of the needle</p> Signup and view all the answers

    Where should a tourniquet be applied to evaluate the vein for blood draw?

    <p>2-3 inches above the elbow or desired blood draw site</p> Signup and view all the answers

    What is meant by 'antecubital space' in the context of phlebotomy?

    <p>The area inside the elbow</p> Signup and view all the answers

    What does 'hematoma' refer to in the context of phlebotomy?

    <p>A localized swelling filled with blood</p> Signup and view all the answers

    What is the function of a centrifuge in the context of phlebotomy?

    <p>To separate blood components from the serum or plasma</p> Signup and view all the answers

    Why is it important to use a 21 gauge or bigger needle during blood collection?

    <p>To prevent hemolysis</p> Signup and view all the answers

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