Hyperemia and Congestion Quiz
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Questions and Answers

What is the main cause of acute local venous congestion?

  • Pressure from outside
  • Liver cirrhosis or fibrosis
  • Sudden complete venous obstruction (correct)
  • Rupture of veins and capillaries

    • What effects are associated with chronic local venous congestion?

  • Pressure from outside resulting in mechanical obstruction
  • Obstruction of veins leading to hypoxia
  • Increase in venous blood due to obstruction of venous outflow
  • Edema (correct)

    • What is the main characteristic of hyperemia?

  • Active dilatation of the arterioles & capillaries in response to metabolic activity (correct)
  • Rupture of veins and capillaries
  • Chronic dilatation of the veins, venules, and capillaries proximal to the obstruction
  • Increase in venous blood in an organ as a result of obstruction of venous outflow

    • In which condition does acute local venous congestion result in edema and tissue hypoxia?

    <p>Sudden complete venous obstruction</p> Signup and view all the answers

    What is the difference between hyperemia and congestion?

    <p>Hyperemia is an active response to metabolic activity, while congestion is a passive increase in venous blood due to obstruction.</p> Signup and view all the answers

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