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AS Bio Atheroscleros
| Question | Answer |
|---|---|
| What is a blood clot called? | Thrombosis |
| Posh name for a heart aattack | myocardial infarction |
| Layer of cells that line the artery | Endothelium |
| Tissue decay | Gangrene |
| What happens immediately after the artery wall is damaged | Inflammatory response |
| What do white blood cells accumumate once they reach the damaged area of the artery? | Cholesterol |
| What the build up of white cells in the artery wall is called | atheroma |
| The mineral that together with fibrous tissues hardens the atheroma | calcium |
| The hardened atheroma is called .... | Plaque |
| What happens to the elasticity of the artery wall once the plaque forms | It decreases |
| Raised blood pressure causing arterial damge that leads to narrowing of the artery and further blood pressure rise is... | positive feedback |
| The blood cells that try to fix the damage to the artery wall | platelets |
| Prothrombin is converted to | active thrombin |
| Thrombin is an | enzyme |
| thrombin converts soluble..... | fibrinogen |
| fibrinogen is converted by thrombin to fibres of insoluble | fibrin/ |
| Fibrin causes a clot by | trapping blood cells |
| Why do only arteries get atherosclerosis? | Fast flowing, high pressure blood. |