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Questions and Answers
What triggers the vascular spasm during hemostasis?
What triggers the vascular spasm during hemostasis?
What is the first stage of hemostasis?
What is the first stage of hemostasis?
What is the function of platelet plug in hemostasis?
What is the function of platelet plug in hemostasis?
What speeds up the formation and propagation of the platelet plug during hemostasis?
What speeds up the formation and propagation of the platelet plug during hemostasis?
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What do activated platelets become adhesive to during hemostasis?
What do activated platelets become adhesive to during hemostasis?
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Study Notes
Hemostasis Process
- Thromboxane A2 and epinephrine trigger vascular spasm during hemostasis
Stages of Hemostasis
- The first stage of hemostasis is vasoconstriction, which reduces blood flow to the injured area
Platelet Plug Function
- The platelet plug, also known as a platelet thrombus, physically seals the wound or injured blood vessel, preventing further blood loss
Platelet Plug Formation
- Thromboxane A2 and collagen exposed at the site of injury speed up the formation and propagation of the platelet plug during hemostasis
Platelet Adhesion
- Activated platelets become adhesive to collagen and von Willebrand factor, leading to platelet aggregation and plug formation
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Description
Test your knowledge of hemostasis with this quiz! Explore the stages of hemostasis and understand how the body stops bleeding and prevents hemorrhage in small blood vessels. Brush up on key concepts like vasoconstriction, platelet aggregation, and coagulation.
