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Questions and Answers
What allows rapid formation of solid blood clots to seal rupture or injury to blood vessels?
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?
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?
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?
What initiates the coagulation pathway in secondary haemostasis?
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What causes the brief period of vasoconstriction at the site of injury?
What causes the brief period of vasoconstriction at the site of injury?
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What is the primary function of haemostatic mechanisms?
What is the primary function of haemostatic mechanisms?
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What is the primary role of the endothelial injury in primary haemostasis?
What is the primary role of the endothelial injury in primary haemostasis?
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What is the function of thrombin in secondary haemostasis?
What is the function of thrombin in secondary haemostasis?
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What initiates the coagulation pathway in secondary haemostasis?
What initiates the coagulation pathway in secondary haemostasis?
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What is the brief period of vasoconstriction at the site of injury due to?
What is the brief period of vasoconstriction at the site of injury due to?
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