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Questions and Answers

Which of the following is NOT a requirement for normal hemostasis?

  • Adequate numbers of platelets
  • Integrity of small blood vessels
  • Normal amounts of coagulation factors
  • Normal amounts of coagulation inhibitors (correct)
  • What induces transient vasoconstriction after vascular injury?

  • Platelet aggregation
  • Granule release
  • Coagulation cascade
  • Neurohumoral factors (correct)
  • Which receptors do platelets adhere to during hemostasis?

  • GpIIb-IIIa receptors
  • Extracellular matrix receptors
  • Fibrinogen receptors
  • GpIb receptors (correct)
  • Which molecules lead to further platelet aggregation during hemostasis?

    <p>Adenosine diphosphate (ADP) and thromboxane A2 (TXA2)</p> Signup and view all the answers

    What is involved in the local activation of the coagulation cascade during hemostasis?

    <p>Tissue factor and platelet phospholipids</p> Signup and view all the answers

    Study Notes

    Hemostasis Requirements

    • A normal hemostasis process does not require an intact inflammatory response.

    Vasoconstriction Induction

    • Thromboxane A2 induces transient vasoconstriction after vascular injury.

    Platelet Adhesion Receptors

    • Platelets adhere to collagen receptors during hemostasis.

    Platelet Aggregation Molecules

    • Thromboxane A2 and ADP lead to further platelet aggregation during hemostasis.

    Coagulation Cascade Activation

    • Tissue factor is involved in the local activation of the coagulation cascade during hemostasis.

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    Description

    Test your knowledge of normal hemostasis and its role in maintaining blood in a fluid state. Explore the factors, inhibitors, and calcium ions involved in the process.

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