Podcast
Questions and Answers
What is the first step in the process of hemostasis?
What is the first step in the process of hemostasis?
- Platelet plug formation (plugging the wound)
- Vascular spasms (vasoconstriction at injured site) (correct)
- Growth of fibrous tissue into the blood clot
- Formation of a blood clot
What do activated platelets release to activate surrounding platelets and cause platelet plug formation?
What do activated platelets release to activate surrounding platelets and cause platelet plug formation?
- Von Willebrand factor
- Thromboxane A2
- ADP (correct)
- Fibrinogen
What mediates vasoconstriction as the first reaction to vascular damage?
What mediates vasoconstriction as the first reaction to vascular damage?
- Sympathetic reflex
- Released chemicals by traumatized tissues and blood platelets (correct)
- Growth of fibrous tissue into the blood clot
- Formation of a blood clot
What glycoprotein functions as a bridge between platelet and collagen fibrils of damaged tissue?
What glycoprotein functions as a bridge between platelet and collagen fibrils of damaged tissue?
What is the function of vascular spasms in the process of hemostasis?
What is the function of vascular spasms in the process of hemostasis?
What is the role of fibrous tissue in the process of hemostasis?
What is the role of fibrous tissue in the process of hemostasis?
Which substance converts prothrombin to thrombin in the extrinsic pathway?
Which substance converts prothrombin to thrombin in the extrinsic pathway?
What is the main function of Factor VIII in blood coagulation?
What is the main function of Factor VIII in blood coagulation?
What is the role of Factor XII in blood coagulation?
What is the role of Factor XII in blood coagulation?
What is the function of Ionized Calcium (Ca++) in the formation of a blood clot?
What is the function of Ionized Calcium (Ca++) in the formation of a blood clot?
Which factor is also known as Plasma Thromboplastin Antecedent?
Which factor is also known as Plasma Thromboplastin Antecedent?
What is the composition of a blood clot?
What is the composition of a blood clot?
Which factor is responsible for the activation of factor VII in the extrinsic pathway?
Which factor is responsible for the activation of factor VII in the extrinsic pathway?
What is the role of Factor IX in blood coagulation?
What is the role of Factor IX in blood coagulation?
What activates factor XII in the intrinsic pathway?
What activates factor XII in the intrinsic pathway?
What converts prothrombin to thrombin in the presence of enough ionic Ca++ from platelets?
What converts prothrombin to thrombin in the presence of enough ionic Ca++ from platelets?
