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WorksheetsPlatelets and Blood Clotting Assignment
Total questions: 10
Worksheet time: 4mins
Which of the following substances is found in
the dense granules of platelets?
Platelet-derived Growth Factor
von Willebrand factor
Serotonin
Fibrinogen
Which of the following statements is correct regarding the platelet membrane?
The lipid layer is comprised mainly of phospholipids
Thrombin facilitates binding to sub-endothelium
Platelet phospholipid facilitates binding of Factor XII
Thromboxane is made from membrane glycoproteins
Which of the following substances promotes platelet activation?
Protein S
Prostacyclin
Nitric Oxide
ADP
What is the three step process that stops blood flowing from a cut called?
haemostasis
homeostasis
coagulation
agglutination
What is the name of the protein that is released by platelets in response to an injury?
haemoglobin
glucose
fibrin
carbon dioxide
The exposure of tissue factor to blood starts which process?
platelet adhesion
platelet aggregation
the coagulation cascade
vasoconstriction
What is the name of the soluble factor that results in fibrinolysis?
plasmin
tissue plasminogen activator
fibrin degradation product
alpha 2 antiplasmin
Which pathway is represented by the diagram shown?
Extrinsic pathway
Intrinsic pathway
Common pathway
none of the above
Which of the following clotting factors are activated by thrombin? Select all that apply
Factor V
Factor X
Factor XIII
Factor XI
A 4-year-old male is seen at the University Hospital for recurrent joint bleeds. Coagulation tests revealed: PT 14/11 sec, PTT 47/29 sec. Which of the following coagulation factor deficiencies is compatible with this result?
Factor X
Factor IX
Factor V
Factor XIII
