18 Questions
What is the immediate response of the circular smooth muscle in blood vessels when they are damaged?
Vasoconstriction
What is the function of thromboxane A2 (TBA2) in the platelet plug formation phase?
Stimulate platelet activation
What is the primary objective of the vascular spasm phase?
To reduce major blood loss
What is the primary role of Actin and Myosin in the blood clotting process?
To reduce blood loss by contracting the injury area
What is the byproduct of the coagulation phase that seals off damaged blood vessels?
Blood clot
What type of muscle in blood vessel walls contracts during the vascular spasm phase?
Smooth muscle
What is the link between the intrinsic and extrinsic pathways of blood coagulation?
Thrombin
What is the main difference between the intrinsic and extrinsic pathways of blood coagulation?
The extrinsic pathway occurs rapidly
What is the role of platelets in the platelet plug formation phase?
To form a platelet plug
What is the role of vWF in the hemostasis process?
To facilitate platelet adhesion to the injured blood vessel wall
What is the consequence of a deficiency in certain clotting factors?
Hemophilia
What is the end product of the blood clotting process?
Fibrin threads
What is the primary function of platelet-derived growth factor (PDGF) in the process of blood clotting?
To stimulate fibroblasts and smooth muscles to multiply and repair the damaged vascular
What is the result of the process of clot retraction?
The clot becomes more compact and stable
What is the term for the dissolution of the clot?
Fibrinolysis
What is the term for the condition where the number of platelets is too low?
Thrombocytopenia
What is the enzyme responsible for breaking down the clot?
Plasmin
What is the function of kallikrein in the process of fibrinolysis?
To produce clot dissolution of fibrin and promote the formation of more kallikrein
This quiz covers the process of blood clotting, including platelet activation, clot retraction, and the role of platelets and endothelial cells in the process.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
