Platelet Inhibitor of Factor IX and Coagulation Process Quiz

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What is the role of serotonin in hemostasis?

Promotes vasoconstriction (correct)

Enhances fibrinolysis

Stabilizes fibrin-platelet plug

Inhibits platelet activation

Which process involves the interaction of coagulation factors on the platelet surface to form a fibrin-platelet plug?

Platelet activation

Fibrinolysis

Fibrin stabilization

Fibrin-platelet plug formation (correct)

How do intact blood vessels contribute to hemostasis?

Increase turbulence in blood flow

Maintain blood in a liquid state (correct)

Activate platelets

Promote coagulation

What is the primary role of fibrin stabilization in the hemostatic mechanism?

Stabilize fibrin-platelet plug Signup and view all the answers

When does the initiation of fibrinolysis occur in relation to clot formation?

Simultaneously with clot formation Signup and view all the answers

What is the primary function of platelet inhibitor of factor IX (PIXI)?

Inhibits factor XIa & factor IX activation Signup and view all the answers

In hemostasis, what is the role of the Extrinsic Pathway?

Initiates contact phase of coagulation Signup and view all the answers

What is the goal of the Common Pathway in coagulation?

Formation & stabilization of platelet-fibrin clot Signup and view all the answers

What is the color change of a hematoma due to?

Biliverdin Signup and view all the answers

Which factor is responsible for converting plasminogen into plasmin during fibrinolysis?

Tissue plasminogen activator Signup and view all the answers

Which factor is deficient in hemophilia A?

Factor 8 Signup and view all the answers

How is megakaryopoiesis initiated?

Totipotent hematopoietic stem cell Signup and view all the answers

What enzyme converts plasminogen into plasmin?

Tissue Plasminogen Activator Signup and view all the answers

What does the Intrinsic Pathway involve in terms of activation?

Factor XII, XI, HMWK & prekallikrein activation Signup and view all the answers

Platelet Inhibitor of Factor IX and Coagulation Process Quiz

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Questions and Answers

What is the role of serotonin in hemostasis?

Which process involves the interaction of coagulation factors on the platelet surface to form a fibrin-platelet plug?

How do intact blood vessels contribute to hemostasis?

What is the primary role of fibrin stabilization in the hemostatic mechanism?

When does the initiation of fibrinolysis occur in relation to clot formation?

What is the primary function of platelet inhibitor of factor IX (PIXI)?

In hemostasis, what is the role of the Extrinsic Pathway?

What is the goal of the Common Pathway in coagulation?

What is the color change of a hematoma due to?

Which factor is responsible for converting plasminogen into plasmin during fibrinolysis?

Which factor is deficient in hemophilia A?

How is megakaryopoiesis initiated?

What enzyme converts plasminogen into plasmin?

What does the Intrinsic Pathway involve in terms of activation?

Which system is responsible for secondary hemostasis involving fibrin formation?

What clears fibrin split products in the fibrinolytic system?

Which factor is consumed during clotting and found in plasma but not in serum?

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