Phlebotomy with IV Infusion
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Questions and Answers

What is the advantage of using a butterfly for a hand draw?

  • Allows for a lower angle of insertion than a standard needle and tube holder (correct)
  • Requires less control over suction for blood collection
  • Provides faster blood collection from fragile veins
  • Is only suitable for routine venipunctures

    • When using a WIS in the antecubital, what is the angle of insertion?

  • 15-30 degrees (correct)
  • 90 degrees
  • 45-60 degrees
  • 5-10 degrees

    • In which situation would a 23g WIS be commonly used?

  • For routine venipunctures in the antecubital
  • For blood collection from large and sturdy veins
  • For routine venipunctures in the back of the hand (correct)
  • For blood collection from fragile veins on the back of the hand

    • Improper insertion or removal of the needle is the most common cause of hematoma.

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

    Reflux of anticoagulant can occur when the tube contents come in contact with the stopper during the draw.

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

    The standard position for drawing blood from an outpatient is with the patient lying down.

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

    What are the potential causes of occlusion and sclerosis in veins?

    <p>Inflammation, disease, chemotherapy, prolonged IV therapy, or repeated venipunctures</p> Signup and view all the answers

    How does a hematoma form and what impact does it have on blood flow?

    <p>A hematoma forms when blood escapes from a break in the vascular circulation into the surrounding tissue. It can obstruct the vein, slowing blood flow.</p> Signup and view all the answers

    What is edema and how does it affect test results?

    <p>Edema is swelling caused by the retention of interstitial fluid in the tissue. It can contaminate the sample with tissue fluid, altering test results.</p> Signup and view all the answers

    What are the characteristics of occluded or sclerosed veins?

    <p>They feel hard or cordlike, lack resiliency, and are susceptible to infection.</p> Signup and view all the answers

    How can a hematoma be caused during blood collection?

    <p>A hematoma can be caused by the needle going through the vein, having the bevel opening only partially in the vein, or failing to apply enough pressure after withdrawal.</p> Signup and view all the answers

    Why is it important to minimize the amount of blood drawn from a patient?

    <p>To prevent the development of iatrogenic anemia</p> Signup and view all the answers

    Under what circumstances may it be appropriate to acquire blood with a dermal puncture instead of venipuncture?

    <p>For patients requiring only a single test</p> Signup and view all the answers

    What can excessive doses of anticoagulants or coagulation disorders, such as hemophilia, lead to during routine venipuncture?

    <p>Formation of hematoma</p> Signup and view all the answers

    What are the potential long-term complications associated with excessive removal of blood at the request of a physician?

    <p>Development of iatrogenic anemia</p> Signup and view all the answers

    What does compartment syndrome result in, if suspected in a patient?

    <p>Swelling and pain</p> Signup and view all the answers

    How can you minimize the rolling of excessively rolling veins during venipuncture?

    <p>Anchor the vein with your free hand by placing your thumb below where the vein is palpated and trace the direction of the vein.</p> Signup and view all the answers

    What immediate steps should be taken if an artery is inadvertently punctured during blood collection?

    <p>Immediately withdraw the needle and apply pressure for 5 to 10 minutes or until the bleeding has stopped.</p> Signup and view all the answers

    What action should be taken after sample collection and needle withdrawal if an artery was inadvertently punctured?

    <p>Apply pressure for 10 minutes, check the site before applying a bandage, and label the specimen as an arterial sample.</p> Signup and view all the answers

    Giving the patient an emesis basin and instructing them to breathe slowly and deeply can help prevent nausea and vomiting during a seizure.

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

    Hematoma during venipuncture can be caused by excessive probing to obtain blood.

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

    Pain during venipuncture is commonly caused by insufficient depth of needle insertion into the vein.

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

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