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Chapter 12 Final Exam
Terms in this set (13)
Red Blood Cells (RBC)
White Blood Cells (WBC)
Active Phagocytes; most abundant
Low in number unless infected with parasite. "EWWW"
Mast cell in connective tissue; in granules is histamine and heparin for inflammatory response
Active phagocytes with kidney-shaped nucleus; largest in size.
2nd most abundant; immune system
Formation of Blood Clot
1. Damaged tissue caused pain receptors to be stimulated, vessels go into spasms. Platelets release serotonin which causes smooth muscles to constrict.
2. Platelet plug forms, collagen exposure caused platelets to get sticky so more platelets join the plug--Positive feedback.
3. Blot Clot mechanism Calcium causes Prothrombin to convert to Thrombin, which cuts Bibrinogen into Fibrin which creates a mesh that catches blood cells & platelets.
Blood clot in vessel
A dislodged clot that is moving
A clot that was moving but becomes lodged in a vessel and blocks blood flow
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