Hemophilia B: Clinical Presentations and Characteristics
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Questions and Answers

What causes bleeding to occur after extraction or surgical intervention in patients with hemophilia A and B?

  • Delayed platelet plug formation (correct)
  • Normal platelet count
  • Abnormal lacet test
  • Reduced thrombin time
  • Why does bleeding start immediately after extraction or surgical intervention in patients with normal coagulation parameters?

  • Increased thrombin time
  • Abnormal lacer test
  • Delayed platelet plug formation (correct)
  • Low platelet count
  • Which factor deficiency characterizes hemophilia A?

  • Factor V deficiency
  • Factor IX deficiency
  • Factor VIII deficiency (correct)
  • Factor II deficiency
  • Why do patients with hemophilia A and B typically experience spontaneous bleeding in joints and muscles?

    <p>Impaired clot formation due to fibrin deficiency</p> Signup and view all the answers

    What is the factor deficiency in hemophilia B?

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

    What should be requested by dentists in patients undergoing dental procedures to assess bleeding risk?

    <p>Bleeding time, clotting time, and Partial Thromboplastin Time (PTT)</p> Signup and view all the answers

    What distinguishes hemophilia C from hemophilia A and B?

    <p>Factor XI deficiency</p> Signup and view all the answers

    How does aspirin affect platelet functions when used continuously in small doses?

    <p>Impairs platelet functions for 7-10 days</p> Signup and view all the answers

    In patients with chronic renal failure undergoing peritoneal dialysis and hemodialysis, when do platelet dysfunctions typically occur?

    <p>24-48 hours after the procedure</p> Signup and view all the answers

    What is the characteristic inheritance pattern of hemophilia A?

    <p>X-linked recessive</p> Signup and view all the answers

    Which factor deficiency characterizes Hemophilia A?

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

    What is the effect of Hemophilia A on bleeding time and clotting time?

    <p>Bleeding time is prolonged, clotting time is normal</p> Signup and view all the answers

    What is the key factor in the management of bleeding time during dental procedures in patients with von Willebrand Disease?

    <p>Administering desmopressin</p> Signup and view all the answers

    Why is antibiotic prophylaxis important for patients with hemophilia A before dental procedures?

    <p>To reduce the risk of bacterial endocarditis</p> Signup and view all the answers

    Which of the following oral manifestations is NOT typically associated with hemophilia B?

    <p>Swollen parotid glands</p> Signup and view all the answers

    In patients with hemophilia A, which factor is deficient leading to impaired blood clotting?

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

    What radiographic feature is commonly observed in patients with parahemophilia due to factor V deficiency?

    <p>Hair-on-end appearance</p> Signup and view all the answers

    What is the most common hereditary cause of spontaneous intraoral bleeding?

    <p>Von Willebrand Disease</p> Signup and view all the answers

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