Hemodynamics II
30 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT a component of normal hemostasis?

  • Platelets
  • Counter-regulation (correct)
  • Coagulation cascade
  • Vascular wall

    • What is the primary function of endothelial cells in a healthy blood vessel?

  • Promotion of coagulation cascade
  • Promotion of platelet adherence
  • Inhibition of platelets (correct)
  • Inhibition of coagulation

    • What are the causes of pathological thrombosis?

  • Endothelial injury
  • Abnormal flow
  • Hypercoagulability of blood
  • All of the above (correct)

    • Which type of thrombus forms in the heart?

    <p>Cardiac (mural) thrombus (A)</p> Signup and view all the answers

    What are the 4 steps in the formation and regulation of the permanent hemostatic plug?

    <p>Local response, primary hemostatic plug, secondary hemostatic plug, counter-regulation (C)</p> Signup and view all the answers

    Which of the following factors is responsible for the activation of Factor X in the extrinsic pathway of the coagulation cascade?

    <p>Factor VII (B)</p> Signup and view all the answers

    Which of the following factors is responsible for the activation of Factor IX in the intrinsic pathway of the coagulation cascade?

    <p>Factor XI (C)</p> Signup and view all the answers

    Which of the following factors is responsible for the activation of Factor X in the intrinsic pathway of the coagulation cascade?

    <p>Factor IX (B)</p> Signup and view all the answers

    Which of the following factors is responsible for the conversion of prothrombin to active thrombin in the common pathway of the coagulation cascade?

    <p>Factor V (A)</p> Signup and view all the answers

    Which of the following factors is responsible for the conversion of fibrinogen to fibrin in the final clot formation?

    <p>Factor XIII (C)</p> Signup and view all the answers

    Which of the following is the main cause of arterial thrombus formation?

    <p>Endothelial damage (B)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of venous thrombi?

    <p>Elongation in the direction of blood flow (D)</p> Signup and view all the answers

    What is the fate of a thrombus?

    <p>Propagation, fibrinolytic resolution, embolization, organization (C)</p> Signup and view all the answers

    What is the main cause of disseminated intravascular coagulation (DIC)?

    <p>All of the above (D)</p> Signup and view all the answers

    What is the consequence of disseminated intravascular coagulation (DIC)?

    <p>Uncontrolled bleeding disorder (A)</p> Signup and view all the answers

    Which of the following is NOT one of the causes of pathological thrombosis according to the Virchow triad?

    <p>Increased platelet count (B)</p> Signup and view all the answers

    What is the characteristic of a mural thrombus in the heart?

    <p>Lines of Zahn (D)</p> Signup and view all the answers

    Which genetic defect causes resistance to inhibition by Protein C?

    <p>Factor V mutation (D)</p> Signup and view all the answers

    Which of the following is an acquired cause of hypercoagulability?

    <p>Heparin-induced thrombocytopenia syndrome (D)</p> Signup and view all the answers

    What is the role of tissue factor pathway inhibitor (TFPI) in hemostasis?

    <p>Inhibits the factor X and VII complex (D)</p> Signup and view all the answers

    Which of the following is NOT a component of normal hemostasis?

    <p>Fibrinolysis (D)</p> Signup and view all the answers

    Which step in the hemostatic response to vascular injury involves the activation of the coagulation cascade?

    <p>Formation of secondary hemostatic plug (D)</p> Signup and view all the answers

    What is the role of thrombin in the formation of the secondary hemostatic plug?

    <p>Thrombin cleaves fibrinogen to insoluble fibrin (D)</p> Signup and view all the answers

    What is the purpose of counterregulatory measures in the hemostatic process?

    <p>To prevent thrombus formation (A)</p> Signup and view all the answers

    What is the role of endothelial cells in hemostasis in a normal cell?

    <p>To inhibit coagulation (C)</p> Signup and view all the answers

    Which of the following is NOT a way in which endothelial cells inhibit thrombus formation in a normal vessel?

    <p>Binding anti-thrombin III (D)</p> Signup and view all the answers

    Which of the following is NOT a function of endothelial cells in inhibiting coagulation?

    <p>Activating Protein C (A)</p> Signup and view all the answers

    Which of the following is NOT a pro-thrombotic activity of endothelial cells in a damaged vessel?

    <p>Secreting inhibitors of tPA (C)</p> Signup and view all the answers

    Which of the following is NOT contained in platelet α granules?

    <p>Serotonin (B)</p> Signup and view all the answers

    Which of the following is NOT a step in plug formation after platelet adhesion?

    <p>Endothelial PGI-2 inhibition (D)</p> Signup and view all the answers

    More Like This

    Hemostasis and Thrombosis Terms Quiz
    20 questions

    Hemostasis and Thrombosis Terms Quiz

    TrendyTrigonometry avatar
    TrendyTrigonometry
    Hemostasis, Thrombosis, and Coagulation Quiz
    12 questions

    Hemostasis, Thrombosis, and Coagulation Quiz

    ComfortingRomanArt avatar
    ComfortingRomanArt
    Hemostasis and Coagulation Processes
    32 questions

    Hemostasis and Coagulation Processes

    StimulatingYtterbium2190 avatar
    StimulatingYtterbium2190
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser