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Study Notes
Blood and Lymphatic System
| Question | Answer |
|---|---|
| Plasma | waste products in liquid part of blood: uric acid, creatine, BUN |
| Phils | granulecytes |
| Hematocrit | amount of RBC comparing to whole blood |
| Thrombocyte | 7-10 days |
| Lymphocytes: | T cells, B cells, NK cells |
| AIDS: | T cells count is high |
| Blymphocyte | produce antibodies and don't fight by self |
| Macrophages | WBC: big swallower |
| Blood mainly produced in: | bone marrow |
| RBC | iron pigment inside (hemoglobin) go to liver and form bilirubin (break down of red blood cells) (Hemoglobin) |
| Plasma | 55% of blood count; 45% cells |
| Platelets are not present | in lymph |
| Allergen | cause allergies in the body |
| Neutrophils life span: | About 4 days |
| Eosinophils life span: | 3-6 days |
| Basophils life span: | 10-12 days |
| Lymphocytes life span: | long-lived survive for years; short-lived survive hours/days/weeks |
| Monocytes life span: | 100 days or more |
| Red Tube: | Additive: none; serum testing; blood clots and serum separated by centifugation |
| Red/Gray (Marbled) | SST with clot activator; CMP, BMP, electrolytes, cholesterol |
| Purple Tube: | EDTA - removes calcium to prevent clotting; hematology testing, CBC, Hct, WBC, RBC; full draw required |
| Lymphatic System: | transports, protects, absorption |
| Red Blood Cells: | erhthrocytes, platelets or thrombocytes |
| Agranulocyte | type of white blood cell with a clear cytoplasm |
| Antibodies | proteins that defend the body against infection |
| Antigen | foreign substance which prevents blood from clotting of antibodies |
| Capillaries | tiny blood vessels which connect arterioles and venules |
| Centrifuge | an instrument used to separate blood into its liquid and solid components |
| Dehydration | loss of body water which can become life threatening if not corrected |
| Electrolytes | ionized salts in the blood, such as Na, K, and Cl |
| Erythrocytes | RBC - red blood cells |
| Granulocytes | type of white blood cell in which the cytoplasm contains granules |
| Hemacytometer | instrument used to count red and white blood cells |
| Hematology | Study of blood and blood-forming tissues |
| Hematoma | collection of blood underneath the skin, for example a bruise |
| Hemoglobin | carries oxygen and an iron containing pigment which gives RBC its color |
| Leukemia | cancerous condition with elevated numbers of white blood cells |
| Leukocytes | WBC: white blood cell |
| Phagocytosis | process in which white blood cells ingest and digest foreign material |
| Phlebotomy | blood collection using the venipuncture method |
| Plasma | liquid portion of blood, contains fibrinogen |
| Platelets | a cell which aids in the blood clotting process, for example a thrombocyte |
| Polycythemia | a condition where there are too many red blood cells in the blood |
| Reticulocyte | an immature red blood cell containing a nucleus. Red blood cells containing granules or filaments |
| Serum | liquid portion of blood which contains no fibrinogen |
| Venipuncture | the process of withdrawing blood from a vein |