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

What is the main composition of arterial thrombi?

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

What encourages the development of venous thrombi?

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

Where do arterial thrombi typically develop?

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

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

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

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

<p>Edema of ankle and foot (D)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Thromboembolus (E)</p> Signup and view all the answers

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