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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| Blood-borne Pathogen | show 🗑
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| show | process of obtaining a sample of venous blood
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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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| Leukocytes | show 🗑
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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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| show | Prevents clots from forming in blood
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| Hemolysis | show 🗑
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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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| show | Hormorne that stimulates cell development and deiiferentation
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| show | "imunoglobin"; Substance that binds with antigen
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| Antigen | show 🗑
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| show | Process of maturation and development of blood cells
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| Lysosomes | show 🗑
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| Ribosomes | show 🗑
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| Granulocytes | show 🗑
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| Precursor Cells | show 🗑
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| Blood and body fluids are considered potentially infectious for: | show 🗑
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| The single most important source of infection | show 🗑
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| Universal presautions protects: | show 🗑
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| show | HANDWASHING
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| The study of blood | show 🗑
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| show | 5-6 liters; 7-8% of body weight
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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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| show | Contains EDTA (liquid or powder form); Chelates the calcium in blood ( forms an insoluble)
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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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| show | Maintains functional abilities of platelets: ( Used for CBC if platelet clumps in EDTA tube; Adjust the count by 10 percent to account for the dilution); Spin ad separate plasme within 30 minutes of collection
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| Blue top | show 🗑
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| Adjusting anti-coagulant in blue top | show 🗑
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| Green Top | show 🗑
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| show | Contains( 1.Sodium Fluorde- preserves glucose and alcohol, 2. Potassium Oxalate- anticoagulant, binds calcium); For glucose and alcohol testing
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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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| Three main venipuncture sites | show 🗑
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| show | 1..Veins of the forearm, 2. Hands, 3. Outside the wrist
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| show | Inside of wrist, Feet or legs of non ambulatory patients (poor blood circulation, may lead to clots), Patients with IV or hep-lock (use opposite arm), Patients with mastectomy (draw from opposite side), NEVER stick a patient more than twice
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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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| show | Used in infants < 6 months old, young kids and adults (Only microsample is needed, patients with IV's, severely burned, extremely poor veins
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| show | neonates/infants- Heel (never puncture curvature of heel, puncture depth no more than 1.6mm); Kids and adults- 3rd or 4th finger (off center of finger tip)
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| Types of Isolation | show 🗑
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| show | Protect phlebotamist, Used in contagious diseases transmitted via (direct contact, Air); ex. Meningococcal meningitis, Active TB, Rabies, Diphtheria, Viral encephalitis, Polio, Measles and mumps, Smallpox
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| show | COntact with dysentery patients; ex. Slamonella E. Colli, Parasitic infection, Fungal infection
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| Respiratory Isolation | show 🗑
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| show | To protect the Immuno-compromised patient from infection; ex. Burn Patients, Leukemia and AIDS, Radiation, Plastic Surgery, Organ Transplant
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| Wound Isolation | show 🗑
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| show | Examine cells under microscope; Test is called "WBC Differential" (different types of WBC's, RBC morphology, platelet estimate)
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| Qualities of a good smear | show 🗑
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| Staining blood smear | show 🗑
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| show | Stains acid components of cell shades of purple or blue; Called "Basic Dye"
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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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| Qualities of properly stained slide | show 🗑
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