Phlebotomy Practical Biochemistry Quizzes
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Questions and Answers

What is the meaning of phlebotomy?

  • Phlebotomy means collecting blood (correct)
  • Hemolysis is the breaking of blood cells
  • Venipuncture is the act of puncturing a vein with a needle
  • Thrombophlebitis is the inflammation of a vein with blood clot formation

    • What is the purpose of a vacutainer in phlebotomy?

  • To use vacuum pressure to draw blood into tubes (correct)
  • To draw blood using a straight needle
  • To draw blood using a butterfly needle
  • To ask patients about latex allergies

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

  • A blood-filled bruise caused when a blood vessel is broken (correct)
  • The area in front of the elbow
  • The hollow center of a structure (needle)
  • The act of blood clotting

    • What is the significance of centrifuge in the lab in relation to phlebotomy?

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

    What does venipuncture involve in the context of phlebotomy?

    <p>The act of puncturing a vein with a needle</p> Signup and view all the answers

    What is the meaning of coagulate in relation to phlebotomy?

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

    What is the purpose of using a butterfly needle in phlebotomy?

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

    What is the significance of asking about latex allergies in phlebotomy?

    <p>&quot;To ensure patient safety and avoid potential allergic reactions&quot;</p> Signup and view all the answers

    What is the recommended needle size to prevent hemolysis during blood collection?

    <p>21 gauge</p> Signup and view all the answers

    Where should a phlebotomist avoid placing the needle during blood collection?

    <p>Area with Rash</p> Signup and view all the answers

    Which step is crucial for adequate mixing of anticoagulants or preservatives after blood collection?

    <p>Invert Blood Tubes 5-10 Times</p> Signup and view all the answers

    What is the purpose of applying pressure for 2-3 minutes after blood collection?

    <p>To stop bleeding</p> Signup and view all the answers

    Which site should be avoided for blood collection due to infection or swelling?

    <p>Infected/Swollen Areas</p> Signup and view all the answers

    What is the main purpose of applying a tourniquet during blood collection?

    <p>To evaluate vein selection</p> Signup and view all the answers

    Which needle gauge results in a larger lumen?

    <p>16 gauge</p> Signup and view all the answers

    What should be done to ensure proper identification and traceability of blood samples after collection?

    <p>Label Tubes per Facility Requirements</p> Signup and view all the answers

    What is the primary role of using 'touch' over 'sight' when selecting a vein for blood collection?

    <p>To find the vein that feels 'springy'</p> Signup and view all the answers

    Why are lower extremities avoided for blood collection?

    <p>Limited blood flow</p> Signup and view all the answers

    When should a tourniquet be removed during the blood collection process?

    <p>When ready to perform the full procedure (within 1-2 minutes)</p> Signup and view all the answers

    What should be done before inserting the vacutainer at 'flash' during blood collection?

    <p>Prepare and clean site</p> Signup and view all the answers

    Phlebotomy involves the collection of blood from a patient's body.

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

    Venipuncture is the term used to describe the act of puncturing a vein with a needle.

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

    Hematoma is a blood-filled bruise caused by the breaking of a blood vessel during blood collection.

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

    A butterfly needle is a larger needle with wings on each side used to draw blood.

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

    A tourniquet should be removed immediately after blood collection.

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

    Coagulate refers to the act of blood clotting.

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

    The primary purpose of a centrifuge in the lab is to spin blood and separate the liquid and solid portions of the blood.

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

    It is not necessary to ask a patient about latex allergies before drawing blood.

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

    Smaller gauge needles have a larger lumen for blood collection.

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

    A 21 gauge needle is recommended to prevent hemolysis during blood collection.

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

    The antecubital space is the least commonly used site for blood collection.

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

    A tourniquet should be applied tightly enough to occlude arterial flow.

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

    The main purpose of using 'touch' over 'sight' is to select a vein for blood collection.

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

    A biohazard bag is used to contain potential spills or leaks during the transport of blood samples.

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

    A butterfly needle is recommended for blood collection in areas with rashes.

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

    The purpose of inverting blood tubes 5-10 times is to ensure proper mixing of the blood with any additives present.

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

    The purpose of applying pressure for 2-3 minutes after blood collection is to prevent hematoma formation.

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

    The purpose of using a vacutainer in phlebotomy is to collect and store blood samples.

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

    A tourniquet should be removed once the last blood collection tube is filling.

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

    A 16 gauge needle is larger in diameter than a 20 gauge needle.

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

    Match the following needle gauge with its corresponding lumen size:

    <p>Smaller gauge needle = Larger lumen size Larger gauge needle = Smaller lumen size 16 gauge needle = Larger diameter needle 20 gauge needle = Smaller diameter needle</p> Signup and view all the answers

    Match the following site with the recommended action during blood collection:

    <p>Arm with IV Solution Infusing = Place to avoid for blood collection Antecubital space = Most commonly used site for blood collection Lower Extremities = Area to avoid for blood collection Inner Portion of Wrist = Site to use a tourniquet to evaluate vein</p> Signup and view all the answers

    Match the following step in phlebotomy with its corresponding action:

    <p>Take Standard Precautions = Wear appropriate protective gear Insert at 15 Degree Angle = Enter the vein at a specific angle Invert Blood Tubes 5-10 Times = Ensure proper mixing of blood with additives Place in Biohazard Bag x 2 = Securely place labeled tubes for added safety</p> Signup and view all the answers

    Match the following terms with their meanings in the context of phlebotomy:

    <p>Venipuncture = The act of puncturing a vein with a needle Hematoma = A blood-filled bruise caused when a blood vessel is broken; collection of blood under the skin Lumen = The hollow center of a structure (needle) Thrombophlebitis = Inflammation of a vein with blood clot formation</p> Signup and view all the answers

    Match the following terms with their descriptions in phlebotomy:

    <p>Anticubital space = The area in front of the elbow Coagulate = The act of blood clotting Vacutainer = A vacuum tube used to draw blood Butterfly needle = Smaller needle with wings on each side used to draw blood; winged infusion needle</p> Signup and view all the answers

    Match the following terms with their related actions in phlebotomy:

    <p>Hemolysis = Breaking of blood cells Bruise = Blood-filled bruise caused by the breaking of a blood vessel during blood collection Centrifuge = Device used in the lab to spin blood and separate the liquid and solid portions of the blood Screen for Latex Allergy = Asking patient if he/she is allergic to latex before drawing blood</p> Signup and view all the answers

    Match the following terms with their purposes in phlebotomy:

    <p>Thrombus = A blood clot Ecchymosis = A bruise Choosing a site = Selecting the appropriate location for vein puncture Choosing a Needle = Selecting the right instrument for vein puncture</p> Signup and view all the answers

    Phlebotomy means collecting ______

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

    Venipuncture is the act of puncturing a ______ with a needle

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

    Thrombophlebitis is the inflammation of a vein with ______ formation

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

    Hemolysis is the breaking of ______ cells

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

    Vacutainer is a vacuum tube used to draw ______

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

    A butterfly is a smaller needle with wings on each side used to draw ______

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

    Centrifuge is a device used in the lab to spin blood and separate the ______ and solid portions of the blood

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

    Always ask patient if he/she is allergic to ______ before drawing blood

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

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