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Normal Haemostasis Quiz

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Questions and Answers

What allows rapid formation of solid blood clots to seal rupture or injury to blood vessels?

Functions of coagulation system

Adequacy and function of platelets (correct)

Integrity of the vessel wall

Vasoconstriction due to neurogenic mechanisms

What is the primary function of endothelial injury in haemostasis?

Activation of coagulation pathway

Release of secretory granules

Synthesis of tissue factor

Exposing thrombogenic subendothelial extracellular matrix (correct)

What is the role of thrombin in secondary haemostasis?

Synthesis of tissue factor

Conversion of fibrinogen into fibrin (correct)

Activation of coagulation pathway

Formation of haemostatic plug

What initiates the coagulation pathway in secondary haemostasis?

Synthesis of tissue factor by endothelium Signup and view all the answers

What causes the brief period of vasoconstriction at the site of injury?

Reflux neurogenic mechanisms Signup and view all the answers

What is the primary function of haemostatic mechanisms?

To allow rapid formation of solid blood clots to seal rupture or injury to blood vessels Signup and view all the answers

What is the primary role of the endothelial injury in primary haemostasis?

To expose highly thrombogenic subendothelial extracellular matrix, allowing platelet adhesion and activation Signup and view all the answers

What is the function of thrombin in secondary haemostasis?

Converts fibrinogen into fibrin to form a stable blood clot Signup and view all the answers

What initiates the coagulation pathway in secondary haemostasis?

Synthesis of tissue factor by endothelium Signup and view all the answers

What is the brief period of vasoconstriction at the site of injury due to?

Reflux neurogenic mechanisms (endothelin release) Signup and view all the answers

Normal Haemostasis Quiz

Choose a study mode

Podcast

Questions and Answers

What allows rapid formation of solid blood clots to seal rupture or injury to blood vessels?

What is the primary function of endothelial injury in haemostasis?

What is the role of thrombin in secondary haemostasis?

What initiates the coagulation pathway in secondary haemostasis?

What causes the brief period of vasoconstriction at the site of injury?

What is the primary function of haemostatic mechanisms?

What is the primary role of the endothelial injury in primary haemostasis?

What is the function of thrombin in secondary haemostasis?

What initiates the coagulation pathway in secondary haemostasis?

What is the brief period of vasoconstriction at the site of injury due to?

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