Pathophysiology Chapter 22: Disorders of Hemostasis Quiz
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Questions and Answers

What can cause circulatory collapse and low hemoglobin/hematocrit levels?

  • Chronic blood loss (correct)
  • Vitamin B12 deficiency
  • Excessive red blood cell production
  • Impaired oxygen transport
  • Which type of anemia is characterized by normocytic and normochromic red blood cells?

  • Sickle cell disease
  • Hemolytic anemia (correct)
  • Iron deficiency anemia
  • Megaloblastic anemia
  • What is the main cause of megaloblastic anemia?

  • Increased iron absorption
  • Impaired DNA synthesis (correct)
  • Excessive bleeding
  • Defective RBC production
  • Which of the following can trigger sickling episodes in sickle cell disease?

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

    Aplastic anemia affects which of the following?

    <p>All three hematopoietic cell lines</p> Signup and view all the answers

    Which condition is characterized by abnormally high red blood cell mass?

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

    What does sickle cell disease result from?

    <p>Defective hemoglobin</p> Signup and view all the answers

    What symptoms can Vitamin B12 deficiency lead to?

    <p>Neurological symptoms</p> Signup and view all the answers

    What can cause iron deficiency anemia?

    <p>Inadequate iron for hemoglobin synthesis</p> Signup and view all the answers

    What initiates vessel spasm in hemostasis?

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

    What characterizes megaloblastic anemia?

    <p>Enlarged red blood cells</p> Signup and view all the answers

    Which protein molecule is required for platelet adhesion during the formation of the Platelet Plug?

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

    Which clotting factors are synthesized in the liver using Vitamin K?

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

    Which pathway results in faster clotting, typically within 15 seconds?

    <p>Extrinsic pathway</p> Signup and view all the answers

    What is the main process involved in Clot Retraction?

    <p>Joining of broken blood vessel edges</p> Signup and view all the answers

    What is the primary process in Clot Dissolution (Fibrinolysis)?

    <p>Plasmin digestion of fibrin strands</p> Signup and view all the answers

    Which condition is an exaggerated form of hemostasis that predisposes to thrombosis and blood vessel occlusion?

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

    'Venous stasis' leading to prolonged bed rest or immobility can result in increased risk of what condition?

    <p>(VTE) Venous Thromboembolism</p> Signup and view all the answers

    'Thrombocytopenia' is characterized by a reduction in platelet number to less than what value?

    <p>$150,000$</p> Signup and view all the answers

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