Vasoconstriction occurs by
Myogenic spasm
Nervous reflexl
Local autocoid factors
Steps of hemostasis
1.vasoconstriction
2.formation of platelet plug
3.coagulation
4.clot retraction
5.lysis of clot after repair
What are the steps in primary hemostasis
1.vasoconstriction
2.formation of platelet plug
Name two anti platelet drug and its action
1.aspirin (inhibit the formation of thrombaxane A2/inhibit the platelet cox pathway )
2.clopidogrel(prevent platelet activation )