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# ADV.D06 Ch.7 Coag
# ADV.D06 Ch.7 Coagulation, Ch.10 pgs 343-345
| Question | Answer |
|---|---|
| Blood platelet | Thrombocyte. Responsible for releasing platelet factor to help start blood clotting. |
| hemostasis | platelets, plasma and coagulation factors react to control bleeding and maintaining liquid circulating blood. |
| coagulation | The process of platelet factors and plasma factors reacting to form a hard fibrin blood clot. |
| hemostatic | same as hemostasis, but this is an adjective. |
| vascular phase (phase one) | vasoconstriction. Vein constricts when damaged. |
| platelet phase (phase two) | platelets stick to the injured blood vessel and form a plug. |
| coagulation (phase three) | clotting factors react to form a fibrin clot. |
| Clot retraction (phase four) | clot shortens after bleeding has stopped |
| fibrinolysis (clot destruction) | blood clot is removed and tissue is repaired |
| intrinsic factors | coagulation factors in the plasma |
| extrinsic factors | factors activated by tissue damage (platelet factors, tissue thromboplastin) |
| anticoagulation therapy | Medical treatment that reduces the chance of internal clotting using heparin, or coumadin meds. |
| thrombocytopenia | lower than normal number of blood platelets |
| DIC | disseminated intravascular coagulation. A condition in which small clots are spread throughout the body. Fatal if not treated immediately. |
| petechiae | small hemorrhaging that is seen as small purple dots on the skin. Occurs when tourniquet is applied to individuals that have platelet deficiency. |
| Hemophilia | inherited disease where the patient is missing certain plasma factors. |
| thrombocytosis | over production of platelets. |
| hemostatic agent | meds used to control bleeding. |
| anticoagulants | chemicals that prevent the clotting process. |
| vascular phase | vasoconstriction. When a blood vessel is injured it constricts to limit blood flow. |
| Platelet phase | The second phase of hemostasis. Blood platelets release platelet factor around the injury and start the fibrin meshwork. |
| Clot retraction | The 3rd phase of clotting. The clot formed retracts to close the opening in the injury. |
| Fibrinolysis | The breakdown of the blood clot. The body destroys the blood clot once healing takes place. |
| If a patient is taking aspirin, coumadin, or heparin you can expect... | the patient to bleed longer |
| Complete blood clotting depends upon factors in the body. These are... | intrinsic factors and extrinsic factors |
Created by:
rjmtoss
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