tRAT QTBL 2nd week of Block Hematoimunology

What is the primary role of platelets in hemostasis?

• Transport oxygen

• Form a temporary plug at the injury site

• Cause vasodilation

• Break down fibrin

What is the role of tissue factor in coagulation?

• Triggers the intrinsic pathway

• Triggers the extrinsic pathway

• Activates platelets

• Inhibits fibrinolysis

What is the final product of the coagulation cascade that forms the blood clot?

• Platelets

• Fibrinogen

• Fibrin

• Prothrombin

What occurs during the coagulation phase of hemostasis?

• Formation of a platelet plug

• Activation of clotting factors

• Fibrinolysis

• Vasoconstriction

What is the primary role of plasmin in the body?

•  Forming blood clots

• Inhibiting platelet aggregation

• Breaking down fibrin clots

• Activating factor X

What enzyme is responsible for converting fibrinogen to fibrin?

• Thrombin

• Plasmin

• Prothrombin

• Factor X

Which factor is not vitamin K-dependent?

• Factor II

• Factor VII

• Factor VIII

• Factor IX