Coagulation Factors Description Quiz
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Questions and Answers

Which clotting factor is synthesized in megakaryocytes and endothelial cells?

  • Factor V
  • Factor VIII (correct)
  • Factor X
  • Factor XIII
  • What is the activated form of proaccelerin (labile factor) that functions in both intrinsic and extrinsic pathways?

  • Activated Factor VIII
  • Activated Factor V (correct)
  • Activated Factor IX
  • Activated Factor XIII
  • Which plasma protein required for clot formation is slowly inactivating thrombin?

  • Fibrin Stabilizing Factor
  • Heparin
  • Prostacyclin
  • Antithrombin (correct)
  • In hemophilia, which clotting factor, if deficient, affects the intrinsic pathway?

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

    Which vitamin is required for synthesis of some of the clotting factors mentioned?

    <p>Vitamin K</p> Signup and view all the answers

    Where is Heparin produced in the body to assist in rapidly inactivating thrombin?

    <p>Endothelial cells</p> Signup and view all the answers

    What is required throughout the clotting sequence?

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

    Which factor forms a complex with Thromboplastin in the presence of Ca2+ to activate Factor X?

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

    Where is Factor II (Prothrombin) synthesized?

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

    Which factor is *Missing in Classic Hemophilia?

    <p>Factor VIII</p> Signup and view all the answers

    What is the role of Factor V in the blood clotting process?

    <p>Works with platelet phospholipids and Ca2+ to form prothrombinase</p> Signup and view all the answers

    What is the function of Factor XIII in blood clotting?

    <p>Forms fibrin clots</p> Signup and view all the answers

    What is the function of serum in the blood clotting process?

    <p>Removes fibrinogen and some clotting factors</p> Signup and view all the answers

    Which condition is characterized by the presence of very low numbers of platelets in the circulating blood?

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

    What is the main cause of Vitamin K deficiency in newborns?

    <p>Failure of intestinal bacteria to provide Vitamin K</p> Signup and view all the answers

    In Hemophilia A, what factor is either abnormal or deficient?

    <p>Factor VIII</p> Signup and view all the answers

    Which process causes a blood clot to condense into a denser, more compact structure?

    <p>Clot Retraction</p> Signup and view all the answers

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