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Ch.19 formed element
lab
| Question | Answer |
|---|---|
| 3 granulocytes | neutrophils, eosinophils, basophils |
| 2 agranulocytes | lymphocytes, monocytes |
| what are thrombocytes | platelets |
| what are leukocytes | wbc's |
| what are erythrocytes | rbc's |
| what % of blood is formed elements | 45 % |
| what % of blood is plasma | 55% |
| what is the differential wbc count for eosinophils | 2-4% |
| what is the differential wbc count for monocytes | 3-8% |
| what is the differential wbc count for neutrophils | 60-70% |
| what is the differential wbc count for lymphocytes | 20-25% |
| what is the differential wbc count for basophils | 0.5-1% |
| main function of basophils | promote inflammation in tissues by releasing such chemcials as histamine |
| main function of lymphocytes | mediate immunity by providing for specific defense against pathogens and toxins |
| main function of eosinophils | remove antigen- antibody complexes from tissues by phagocytosis, attack large parasites such as worms, help reduce inflammation |
| main function of platelets | form platelet plug in hemostasis; release chemicals that promote vascular spasm and blood clotting |
| main function of rbc's | hemoglobin within the rbc's transports most of the oxygen and part of the carbon dioxide in the blood |
| main function of wbc's | combat pathogens and other foreign substances that enter the body |
| main function of monocytes | powerful phagocytosis, quickly enter tissues to become macrophages, spend only a couple of days in the blood |
| main function of neutrophils | primary phagocytes, release toxic chemicals that also kill pathogens |