Thrombosis & Embolism - Dr. Hanan Hosny
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Questions and Answers

What is the main factor that predisposes to thrombosis based on Virchow's triad?

  • Endothelial injury (correct)
  • Alteration in blood flow
  • Genetic factors
  • Hypercoagulability of the blood
  • Which of the following is NOT a cause of endothelial injury leading to thrombosis?

  • Traumatic injury
  • Bacterial infection
  • Hypertension
  • Cardiac failure (correct)
  • What is the major factor contributing to thrombosis in venous circulation?

  • Endothelial injury
  • Hypercoagulability of blood
  • Turbulence
  • Stasis (correct)
  • Which of the following is a predisposing genetic factor for thrombosis?

    <p>Deficiency of antithrombin</p> Signup and view all the answers

    What type of arterial dilation can lead to alteration in blood flow and promote thrombosis?

    <p>An aneurysm</p> Signup and view all the answers

    Which factor related to blood platelets can increase the risk of thrombosis?

    <p>Increased platelet count and adhesiveness</p> Signup and view all the answers

    What differentiates arterial thrombi from venous thrombi in terms of color?

    <p>Arterial thrombi are white (pale) while venous thrombi are red</p> Signup and view all the answers

    What is the main composition of arterial thrombi?

    <p>Mainly platelets and fibrin with few RBCs</p> Signup and view all the answers

    What encourages the development of venous thrombi?

    <p>Slow blood flow in veins</p> Signup and view all the answers

    Where do arterial thrombi typically develop?

    <p>Coronary arteries</p> Signup and view all the answers

    Which component is more abundant in venous thrombi compared to arterial thrombi?

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

    What is the clinical finding commonly seen in deep venous thrombosis?

    <p>Edema of ankle and foot</p> Signup and view all the answers

    In venous thrombosis, what can happen if a thrombus lodges in too-small vessels?

    <p>Complete or partial occlusion leading to infarction</p> Signup and view all the answers

    What is the potential outcome when a thrombus gets detached and carried away by blood?

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

    What type of venous thrombosis occurs in about 90% of cases involving the lower extremities?

    <p>Deep vein thrombosis (DVT)</p> Signup and view all the answers

    What is the most likely cause of an embolism originating from a dislodged thrombus?

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

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