Hemostasis Tests & Disorders Flashcards
1
Q
Hemostasis Functions (2)
A
keep blood fluid
prevent/control blood loss
2
Q
Components of Hemostasis (5)
A
- Vascular system
- Platelet activity (primary hemostasis)
- Coagulation “fibrin forming” system (secondary hemostasis)
- Fibrinolytic “fibrin lysis” system (fibrinolysis)
- Regulatory system
3
Q
Endothelial cells release what substances? (3)
A
- Tissue Factor (TF)
- Tissue Plasminogen Activator (tPA)
- vonWillebrand’s Factor (vWF)
4
Q
Cytoplasmic fragments shed from bone marrow precursors called megakaryocytes
A
Platelets/Thrombocyte
5
Q
What are platelets regulated by? Where is the regulator made? How long do they survive?
A
- Thrombopoeitin
- Liver
- 10 days