Primary Hemostasis

What is primary hemostasis

• formatiion of fibrin gel

• dissolving the fribrin clot

• formation of the platelet plug

• all of the above

What is secondary hemostasis

• formation of the fibrin gel

• dissolving the fibrin clot

• formation of the fibrin clot

• all of the above

What is adhesion

• interaction between platelets

• interaction between platelets and endothelial surface

• interaction between platelets and gel to form a stable clot

• interaction between the fibrin clotting proteins

What is aggregation

• interaction between platelets

• interaction between platelets and the endothelial surface

• interaction between platelets and fibrin gel

• interaction between clotting proteins

Each of the following is involved in hemostasis EXCEPT:

• blood vessels

• platelets

• Red cells

• fibrin forming coagulation proteins

What are the steps in platelet plug formation

• aggregation, adhesion, activation, secretion

• adhesion, activation, secretion, aggregation

• secretion, adhesion, activation, aggregation

• adhesion, secretion, activation, aggregation

Cyclooxygenase is essential in the formation of

• thromboxane

• prostacyclin

• TXA2 and PGI2

• all of the above

Which of the following is the platelet receptor needed for platelet adhesion

• GP IIb/IIIa

• actin

• vWF

• GP Ib/IX

Which of the following is the receptor needed for platelet aggregation

• GP IIb/IIIa

• actin

• GPIb/IX

• vWF

Fibrinogen interacts with which of the following receptors?

• GPIb/IX

• GP X

• GB IIb/IIIa

• GP V!b