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13 Cards in this Set
- Front
- Back
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What produces plasma proteins such as Fibrinogen and Prothrombin? |
Liver |
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What happens when a blood vessel wall is damaged? |
blood components come into contact with collagen on the outside of the blood vessel wall |
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What kind of response does damage to the blood vessel wall cause? |
fast and localized |
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what happens during a vascular spasm? |
tunica media: smooth muscle contracts/constricts which causes the lumen to decrease in size which causes a decrease in blood flow to the area and a decrease in blood loss |
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what happens during the platelet plug formation |
collagen on the outside of the blood vessel wall activates thrombocytes and it becomes sticky creating a plug and it becomes yellowish |
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coagulation definition |
blood clot |
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what is thrombin |
active form of prothrombin, an enzyme that causes the clot by converting fibrinogen to fibrin |
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what is fibrin |
insoluble protein formed during clotting |
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Anticoagulants: what does aspirin do |
blocks platelet plug formation |
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Anticoagulants: what does heparin do |
blocks thrombin (no fibrin mesh) |
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Anticoagulants: what does warfarin/coumadin do |
interferes with liver synthesis of clotting proteins |
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what is fibrinogen |
inactive protein converted to fibrin during clotting |
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what is prothrombin |
inactive enzyme protein, active form=thrombin |
