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Questions and Answers
What is the main goal of the coagulation phase of hemostasis?
What is the main goal of the coagulation phase of hemostasis?
- To activate smooth muscle cells.
- To convert fibrinogen into fibrin. (correct)
- To release chemicals like ADP and PDGF.
- To form a platelet plug.
In hemostasis, what is the role of thrombin?
In hemostasis, what is the role of thrombin?
- To activate prothrombinase. (correct)
- To trigger platelet aggregation.
- To form a platelet plug.
- To convert fibrin into fibrinogen.
During clot retraction in hemostasis, what happens as the fibrin network grows?
During clot retraction in hemostasis, what happens as the fibrin network grows?
- Blood cells and platelets are trapped in the fibrous tangle. (correct)
- Fibrinogen is converted into ADP.
- Additional platelets are activated.
- Blood cells are released from the clot.
What is the role of endothelins released by endothelial cells in hemostasis?
What is the role of endothelins released by endothelial cells in hemostasis?
During the platelet phase of hemostasis, what is the function of von Willebrand factor?
During the platelet phase of hemostasis, what is the function of von Willebrand factor?
What is the primary purpose of activated platelets in the coagulation process?
What is the primary purpose of activated platelets in the coagulation process?
During the vascular phase of hemostasis, what is the main function of the endothelial cells?
During the vascular phase of hemostasis, what is the main function of the endothelial cells?
Which of the following is NOT a function of platelets in the hemostasis process?
Which of the following is NOT a function of platelets in the hemostasis process?
What is the main role of thrombin in the coagulation phase of hemostasis?
What is the main role of thrombin in the coagulation phase of hemostasis?
Which phase of hemostasis involves the contraction of smooth muscle fibers in the vessel wall and lasts for about 30 minutes?
Which phase of hemostasis involves the contraction of smooth muscle fibers in the vessel wall and lasts for about 30 minutes?
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