Summary: Blood After Exam 1
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11.9 blood after exam 1
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stoppage of bleeding resulting from a break in blood vessel
hemostasis -
vascular spasmplatelet plug formationcoagulation
hemostasis phases -
vascular spasms help
extreme vasoconstriction due to smooth muscle in vessel wall
spasms narrow the blood vessel, decreasing blood loss -
release signallying molecules to attract platelets
anchored platelets -
platelet plug formation includes
collagen fibers inside blood vessel walls are exposed by break
platelets become sticky and cling to collagen fibers
anchored platelets release chemicals to attract more platelets
platelets pile up to form platelet plug -
in coagulation, injured tissue cells release
tissue factor -
platelet factor 3 is a __
phospholipid -
triggers a clotting cascade
platelet factor 3 interacts with tissue factor
dozens of different blood protein clotting factors
calcium ions -
activates factor x: prothrombin activator
clotting cascade -
prothrombin activator converts __ to __
prothrombin to thrombin
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