Thrombocytopenia and Hypercoagulability Disorders

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Questions and Answers

What is the duration of action of Warfarin?

  • 2 - 3 days (correct)
  • 12 - 16 hours
  • 3 - 5 days
  • 6 - 8 hours

Which substance is used in blood banks to remove calcium ions from blood?

  • Citrate (correct)
  • Heparin
  • EDTA
  • Oxalate

What is the main function of tissue Plasminogen Activator (t-PA)?

  • Enhance the activity of Antiplasmin
  • Dissolve acute coronary/cerebral clots by activating plasminogen (correct)
  • Inhibit plasminogen activation
  • Promote the formation of acute coronary/cerebral clots

Which of the following is NOT a factor involved in the prevention of blood clotting in the normal vascular system?

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

What is the role of Protein C in the coagulation cascade?

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

What is the function of plasmin?

<p>Dissolving fibrin clots (D)</p> Signup and view all the answers

Which of the following best describes t-PA (tissue Plasminogen Activator)?

<p>It activates plasmin to dissolve clots (C)</p> Signup and view all the answers

How do anticoagulants affect blood coagulation?

<p>They prevent the formation of fibrin meshwork (D)</p> Signup and view all the answers

Which statement is true about the mechanism of action of anticoagulants?

<p>They inhibit platelet plug formation (A)</p> Signup and view all the answers

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