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6 Cards in this Set
- Front
- Back
Injury exposes reactive sub-endothelial matrix proteins such as _____ and _______, which results in platelet adhesion and secretion and synthesis of vasocontrictors and activating molecules.
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Collagen and von Willebrand factor
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Synthesized from arachidonic acid within platelets and is a platelet activator and potent vasoconstrictor.
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TXA2
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Secreted from platelet granules. A powerful inducer of platelet aggregation.
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Adenosine diphosphate
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Stimulates aggregation and vasoconstriction.
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Serotonin
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Defects in the formation of the primary platelet plug cause_____________.
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Bleeding from the surface sites.
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Defects in the clotting mechanism cause_____________.
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Bleeding in the deep tissues.
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