Hemostasis and Coagulation Altering Medications Quiz
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Questions and Answers

What is the mechanism of action of VKA Warfarin?

  • Inhibit active vitamin K and dependent clotting factors II, VII, IX, and X and proteins C&S (correct)
  • Inhibit platelet aggregation
  • Inhibit P2Y12 receptors on platelets to prevent aggregation
  • Activate fibrin to reinforce clot formation
  • What is the primary indication for the use of IIB/IIIA Inhibitors (eptifibatide; tirofiban)?

  • Prophylaxis for ischemic stroke
  • Treatment of deep vein thrombosis
  • PCI in the setting of acute coronary syndrome (correct)
  • Prevention of myocardial infarction
  • What is the main side effect of P2Y12 Inhibitors (clopidogrel, prasugrel, ticagrelor)?

  • Thrombocytopenia
  • Gastrointestinal bleeding (correct)
  • Increased risk of ischemic stroke
  • Rash and dyspnea
  • What is the reason for holding ASA for 7 days before a procedure?

    <p>To allow time for platelet function to return to normal</p> Signup and view all the answers

    Which class of medications manipulates fibrin activation in the hemostasis process?

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

    What is the primary monitoring parameter for VKA Warfarin therapy?

    <p>International normalized ratio (INR)</p> Signup and view all the answers

    What is the main mechanism of action of Fibrinolytics?

    <p>Break down existing clots</p> Signup and view all the answers

    Which medication is a direct Xa Inhibitor?

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

    What is the reversal agent for Dabigatran?

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

    What is the primary indication for the use of tPA (alteplase)?

    <p>Severe thrombotic disease</p> Signup and view all the answers

    What is the main mechanism of action of Heparin/LMWH (enoxaparin)?

    <p>Suppress coagulation by activating antithrombin</p> Signup and view all the answers

    What is the primary monitoring parameter for LMWH therapy?

    <p>PTT or anti-Xa</p> Signup and view all the answers

    Which medication is usually given if someone has Heparin Induced Thrombocytopenia (HIT) or is allergic to heparin?

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

    What is the Black Box Warning associated with Direct Xa Inhibitors?

    <p>Abruptly stopping leads to hypercoagulable state</p> Signup and view all the answers

    What is the reversal agent for tPA (alteplase)?

    <p>Aminocaproic acid</p> Signup and view all the answers

    Which medication irreversibly binds to platelets, necessitating a 7-day hold before a procedure?

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

    What is the primary mechanism of action of IIB/IIIA Inhibitors (eptifibatide; tirofiban)?

    <p>Inhibit binding of factor 8 &amp; fibrinogen to platelets</p> Signup and view all the answers

    What is the main indication for the use of Fibrinolytics?

    <p>Break down clots</p> Signup and view all the answers

    Which medication class manipulates fibrin activation in the hemostasis process?

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

    What is the primary side effect of P2Y12 Inhibitors (clopidogrel, prasugrel, ticagrelor)?

    <p>Increase risk of bleeding</p> Signup and view all the answers

    What is the main mechanism of action of VKA Warfarin?

    <p>Inhibit active vitamin K and dependent clotting factors</p> Signup and view all the answers

    What is the primary monitoring parameter for VKA Warfarin therapy?

    <p>PT/PTT/INR</p> Signup and view all the answers

    What is the reversal agent for Heparin?

    <p>Protamine sulfate</p> Signup and view all the answers

    Which medication is a Direct Thrombin Inhibitor?

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

    What is the primary contraindication for Fibrinolytic Therapy?

    <p>Intracranial hemorrhage</p> Signup and view all the answers

    What is the primary monitoring parameter for Direct Xa Inhibitors therapy?

    <p>CBC; renal; liver</p> Signup and view all the answers

    Which medication is given prior to PCI (percutaneous coronary intervention)?

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

    What is the Black Box Warning associated with tPA (alteplase)?

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

    What is the primary indication for the use of Direct Xa Inhibitors?

    <p>DOACS (less bleeding risk than warfarin)</p> Signup and view all the answers

    What is the reversal agent for tPA (alteplase)?

    <p>Aminocaproic acid</p> Signup and view all the answers

    Which of the following is a contraindication for the use of LMWH?

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

    What is the reversal agent for heparin?

    <p>Protamine sulfate</p> Signup and view all the answers

    Which of the following is a contraindication for the use of Direct Xa Inhibitors?

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

    What is the mechanism of action of Fibrinolytic Therapy (tPA)?

    <p>Lysis of existing thrombus</p> Signup and view all the answers

    Which monitoring parameter is specifically associated with LMWH?

    <p>PTT or anti-Xa</p> Signup and view all the answers

    What is the reversal agent for dabigatran?

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

    Which of the following is an indication for the use of Direct Thrombin Inhibitors?

    <p>Atrial fibrillation</p> Signup and view all the answers

    What is the Black Box Warning associated with Direct Xa Inhibitors?

    <p>Abruptly stopping leads to hypercoagulable state</p> Signup and view all the answers

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