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11 Cards in this Set
- Front
- Back
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What are the three categories of hemostasis
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Primary
Secondary Tertiary |
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What are the functional components of hemostasis
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Vascular
Platelets for minor breaks Coagulation for larger breeches in vessel integrity |
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The vascular components reduce blood flow by what two methods
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Local vasconstriction and
Compression of injured blood vessels by blood extravasasted into surrounding tissues |
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What are the platelet components of hemostasis
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hemostatic plugs and platelets release factors to augment vascoconstriction and initiate wall repair
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what factor initiates the clotting cascade
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PF3
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What is coagulation
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A sequential cascade of enzynmatic reactionthat forms a fibrin mesh to stabilize the platelet plug
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Where are the coagulation factors created
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in the liver
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what is the coagulation cascade
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Intrinsic, extrinsic and the common pathway
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when is the intrinsic system activated
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collagen is exposed
PF3 Endotoxin factors xii, xi, ix and viii |
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the extrinsic system is initiated by
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thromboplastin
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what factors are released by the extrinsic system and where
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factor III is released by injured tissues and is extrinsic to blood
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