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Flipped lesson 8
12 Questions
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Flipped lesson 8

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Questions and Answers

What is the function of fibrin in the blood clotting process?

  • To form a solid plug in the blood vessels
  • To circulate in the blood in high concentration
  • To act as a mesh to hold the platelet plug together (correct)
  • To activate platelets at the site of injury
  • Which factor is responsible for converting fibrinogen to fibrin?

  • Prothrombin
  • Fibrin
  • Thrombin (correct)
  • Platelets
  • What is the role of platelets in the blood clotting process?

  • To convert fibrinogen to fibrin
  • To form a plug at the site of vessel injury (correct)
  • To activate thrombin
  • To circulate in the blood in high concentration
  • What initiates the complex cascade involving 13 factors in the blood clotting process?

    <p>Activation of 1 factor catalyzing the activation of the next</p> Signup and view all the answers

    Which factor is formed from Factor V by previously activated thrombin?

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

    What does thrombin activate to crosslink the fibrin strands together to form the clot at the end?

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

    In which pathway does the tissue factor serve as the 'spark' activated by initial injury?

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

    What is the importance of thrombin in the blood clotting process?

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

    Which deficiency is associated with the formation of Thrombophilia?

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

    What is the result of mutations near F8 that may lead to Haemophilia A?

    <p>A null allele (no working product)</p> Signup and view all the answers

    Which factor deficiency is associated with Haemophilia B?

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

    What does Factor XIII activate in the blood clotting process?

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

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