Answer Key to Pre/Post Tests
Blood Clotting Activity
1.
What specific type of blood cell plays an active role in the blood clotting process?
platelets
2.
Blood clotting is a very simple process? True False
3.
What is another term used for clotting of blood?
a.
scab b.
coagulation c.
clumping d.
cardiology
4.
What happens if the blood does not clot? bleeding will continue
5.
List at least 4 elements that play a role in the clotting of blood?
Any of the following: Factors Xa, Va, platelets, prothrombin, thrombin, calcium, fibrinogen and fibrin
6.
Which of the following are needed in order for blood to clot? a.
prothrombin and thrombin b.
calcium and platelets c.
fibrinogen and fibrin d.
factors Xa and Va e.
all of the above must be present in order for blood to clot
7.
Under normal circumstances, what usually triggers the blood to start forming a clot? Vascular injury
8.
Name one clotting disorder in the body in which blood is unable to form a clot? thrombocytopenia
9.
What elements make up the “prothombin activator complex”?
Factors Xa, Va, Ca++ and platelets
10.
During the clotting process, what does prothombin get converted into? What does fibrinogen get converted into? Thrombin/Fibrin
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