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WorksheetsMekanisme Hemostasis
Total questions: 10
Worksheet time: 10mins
Which of the following statements about platelets is INCORRECT?
Platelets adhere to collagen fibers of damaged tissue
Platelets are cell fragments
Platelets activate the clotting cascade
Platelets are involved in clot dissolution
this is when platelets attach to the exposed damaged wall of the blood vessels
Platelet adhesion
Platelet aggregation
Platelet plug
degranulation
What do we call it when platelets become irregular, large and stick to each other.
Platelet adhesion
Platelet aggregation
Platelet plug
degranulation
Which substance is released by platelets that causes vasoconstriction?
Serotonin
Thrombin
Fibrin
Thromboplastin
Which of the following describes the role of factor X in blood clotting?
to form a plug in the hole of the damaged blood vessel
to convert prothrombin to thrombin
to activate clotting factor V
to release platelet factor 3
Which enzyme converts fibrinogen to fibrin?
serotonin
thrombin
factor X
factor XIII
The mesh network is formed of
thrombin
prothrombin
fibrin
fibrinogen
What is the correct order of processes involved in hemostasis?
coagulation, vascular spasms, platelet plug forms
platelet plug forms, vascular spasms, coagulation
vascular spasms, coagulation, platelet plug forms
vascular spasms, platelet plug forms, coagulation
What happens during the first step of hemostasis?
vascular spasms constrict the flow of blood
platelet plug forms, platelets adhere
coagulation form fibers, scab forms
thromus breaks away from vessel wall
What happens during the second step of hemostasis?
vascular spasms constrict the flow of blood
platelet plug forms, platelets adhere
coagulation form fibers, scab forms
thromus breaks away from vessel wall
