نموذج بدون عنوان

What enhances the transformation of Fibrinogen into fibrin?

• Platelets

• Factor X

• Thrombin

• Prothrombin

What is a potential consequence of atherosclerosis in the coronary arteries?

• Increased risk of deep vein thrombosis

• Decreased risk of myocardial infarction

• Reduced blood flow to the heart muscle

• Enhanced cardiac function

What is the correct statement regarding tissue thromboplastin?

• Forms the meshwork of a clot

• Converts fibrinogen into fibrin

• Triggers intrinsic clotting pathway

• Is released from traumatized tissue

What is the primary function of thrombin in blood coagulation?

• Stimulates its own formation

• Converts fibrinogen to fibrin

• Inactivates clotting factors

• Activates factor 13 fibrin stabilizing factor

Which factor deficiency leads to Hemophilia A?

• Factor V

• Factor XI

• Factor IX

• Factor VIII

What is the primary function of heparin as an anticoagulant?

• Inhibits platelet aggregation and thrombin formation

• Enhances the activity of clotting factors

• Prevents the activation of protein C

• Induces fibrinolysis

What is the primary role of von Willebrand factor in the process of hemostasis?

• Facilitates platelet adhesion to the site of injury

• Triggers the conversion of fibrinogen to fibrin

• Prevents platelet aggregation

• Breaks down fibrin clots

Which pathway of blood coagulation is more rapid?

• Intrinsic pathway

• Extrinsic pathway

• None of the above

• Both pathways are equally rapid

What is the significance of local vasoconstriction in the process of hemostasis?

• To dilate blood vessels

• To prevent clotting

• To halt bleeding from small vessels

• To decrease blood flow

What is the primary role of protein C and protein S in the regulation of hemostasis?

• Stimulate fibrin formation

• Break down fibrinogen

• Inhibit coagulation factors

• Enhance platelet adhesion