Quiz: Hemostasis

1. Which of the following is the correct sequence of events leading to blood clotting?
a. vasoconstriction, platelet aggregation, coagulation
b. platelet aggregation, vasoconstriction, coagulation
c. vasoconstriction, coagulation, platelet aggregation
2. Which of the following is involved in the final phase of blood clotting?
a. formation of fibrin
b. formation of prothrombin
c. activation of blood clotting factor X
3. Calcium ions were the __________ substance discovered to be involved in the process of blood clotting.
a. 4th
b. 10th
c. 13th
4. Clots form to stop the “leakage” of blood from a damaged vessel. After the damaged vessel has healed, the clot is no longer needed and goes through a process of dissolution. Which of the following is involved in the dissolution of a clot?
a. plasmin
b. fibrinogen
c. thrombin

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