MLT 2.1 HematologyTerms and definitions 07010
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| Hematology | show 🗑
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| Universal Precautions (Standard) | show 🗑
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| show | pathogenic microorganisms that are present in human blood and can cause disease in humans. These pathogens include, but are not limited to, hepatitis B virus (HBV) and human immunodeficiency virus (HIV).
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| Venipuncture | show 🗑
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| show | A cell that contains hemoglobin and can carry oxygen to the body. Also called a red blood cell (RBC)
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| show | A cell that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease by ingesting foreign materials and cellular debris, by destroying infectious agents or by producing antibodies
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| show | A platelet. Crucial to normal blood clotting
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| Plasma | show 🗑
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| Serum | show 🗑
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| Fibrinogen | show 🗑
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| Anti-coagulant | show 🗑
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| show | Alteration or destruction of RBC's
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| Hemoconcentration | show 🗑
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| Hematoma | show 🗑
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| Immunocompromised | show 🗑
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| show | a blood test that gives information about the number and shape of blood cells.
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| show | Stain that produces many colors when seen under a microscope
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| show | Ingestion and digestion of solid substances
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| Colony Stimulating Factor | show 🗑
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| Antibody | show 🗑
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| show | Foreign matter that enters body
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| Hematopoiesis | show 🗑
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| Lysosomes | show 🗑
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| Ribosomes | show 🗑
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| Granulocytes | show 🗑
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| show | Cells that give rise to other cells
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| show | 1. HIV; 2. HBV; 3. Other blood borne pathogens
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| The single most important source of infection | show 🗑
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| Universal presautions protects: | show 🗑
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| The single most important step to prevent the spread of disease | show 🗑
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| The study of blood | show 🗑
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| total adult volume of blood | show 🗑
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| show | 1. Formed elements; 2. Fluid protein
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| show | 1. Erythrocytes- contain Hgb; 2. Leukocyte- Defend agains tviral and bacterial infections; 3. Thrombocyte- function in blood clot formation
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| Fluid portion of blood | show 🗑
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| show | Prevent blood from clotting; Binds or inactivates coagulation factors
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| Lavender/Purple Top | show 🗑
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| show | Preserves blood morphology; Choice fro routine hematology; Amount of EDTA is important
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| show | Shrinkage of RBC's; Decreased hematocrit; Decreased ESR; Degenerated WBC; Increase MCHC; Platelet swell and break up causing an increased count
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| show | 2 Hours; After 6 hours RBC's swell and WBC's show vacuolization and pyknotic nucleus (dark RBC nucleus)
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| show | Containd Sodium CItrate 9:1; Choice for caogulation studies; Maintains stability of the coagulation factors ( Factor V- Proaccelerin, Factor VIII- Antihemophilic A)
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| Blue Top | show 🗑
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| Blue top | show 🗑
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| show | Adjust amount of anticaogulant on patients with HCT above 55% ( high HCT means less plasma, less plasma needs less anticoagulant); citrate= (100 -HCT/595 -HCT) x amt of blood
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| Green Top | show 🗑
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| Gray Top | show 🗑
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| show | Contains no anticaogulant; Used for most chemistry tests
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| Tiger Top | show 🗑
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| show | 1. Sterile specimens, 2. Non- anticoagulated tubes ( red, Tiger), 3. Blue top, 4. Green top, 5. Purplr top, 6. Gray top
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| 2 methods of venipuncture | show 🗑
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| show | 1. Median Cubital- generally anchored, doesn't roll, most prefered site; 2. Basilic Vein- Lacated at inner portion of arm, tends to roll; 3. Cephalic Vein- located on outer portion of arm, skin tends to be a little tougher
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| show | 1..Veins of the forearm, 2. Hands, 3. Outside the wrist
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| Vacutainer method- sites and veins to avoid | show 🗑
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| show | Small fragile veins, Veins that collasp easily, Veins than can not withstand pressure of vacutainer tubes, Collection of blood culture and blood specimens
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| show | Vacutainer Method- use multi sample needle (normal size vein, veins with good integrity); Syringe method- use 21-23 gauge needle and 10-20 cc syringe (large syringe creates more vacuum
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| Capillary collection- aka "micro sampling" | show 🗑
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| Capillary puncture sites | show 🗑
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| show | Strict, Enteric, Wound, Respiratory, Protective
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| Strict Isolation | show 🗑
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| Enteric Isolation | show 🗑
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| Respiratory Isolation | show 🗑
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| Protective Isolation | show 🗑
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| show | Used in open lesions and skin infections
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| Peripheral Smear (purpose) | show 🗑
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| show | Feathered edge with rainbow appearance, Free of holes, ridges, and waves
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| Staining blood smear | show 🗑
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| Methylene Blue | show 🗑
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| show | Stains the basic components of the cell orange or red; Called "Acidic Dye"
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| Principle of Wright Stain | show 🗑
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| show | RBC's-pink; Reticulocytes- Pinkish gray; Nucleus in lymphocytes and neutrophils- Dark purple; Eosinophils- bright orange granules; Basophils- dark blue-black granules; Monocyte cytoplasm- blue-gray; Neutrophil cytoplasm- light pink
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