Hematology
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| Reticulocyte counts are not part of | the CBC
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| What do I use to check the setting on hematology instruments | controls
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| major part of red blood cells | hemoglobin
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| What is erythropoiesis | production of red blood cells
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| What anticoagulant do you use for hematology analyzers | EDTA
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| What is hemolytic anemia | breakdown of red blood cells
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| What is the most common type of abnormal hemoglobin | hemoglobin S
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| What method is used for hematology analyzers | flow cytometry
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| Abnormal amounts of fat in blood | lipemia
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| What is the MCV | average volume of RBC's
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| How is a hematocrit reported | measures the percent volume of the red blood cells in a volume of whole blood
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| What is hematology | study of blood and blood forming tissues
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| What is elevated in polycythemia | hematocrit
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| What is the average hematocrit percentage in an adult male | 42-52%
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| when should we use good quality control | ALWAYS
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| What are three levels of controls | abnormal low, normal, and abnormal high
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| What carries hemoglobin molecules | Red blood cells
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| Three causes of anemia are: | excessive bleeding, erythropoiesis, and malnutrition
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| When Spinning blood how is it separated (layers) | red blood cells, Buffy coat, plasma
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| What is normal hemoglobin level for adult males | 14-18
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| What is the normal adult RBC | 4-6 million RBC
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| How often are controls run when a lab has extended hours | every 8 hours
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| When are red blood cells seen on a white blood cell count | when they are immature and still nucleated
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| What is the main function of WBC's | immunity
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| Why do we use split specimen testing | check accuracy
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| What specimen do you use for manual WBC or RBC counts | whole blood
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| What instrument is used to perform a manual WBC count | hemacytometer
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| What is the one hematology test that is not measured by an analyzer | sedimentation rate
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| What's the normal WBC for an adult | 4500-12000
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| What is the white blood cell layer on the top of packed RBC's called | Buffy coat
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| What are the RBC's called that are released from bone marrow | reticulocytes
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| What is the main function of the red blood cells | carry oxygen
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| When is the WBC count at it's lowest daily | first thing in the morning
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| What are erythrocyte indices used for | three indicators to diagnose anemia
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| What is the word that means lacking oxygen | anoxia
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| What is most commonly seen on a differential slide | red blood cells
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| What is the most common type of WBC | Neutrophil
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| What do granulocytes consist of | monocytes and lymphocytes
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| What is the least important RBC indice | MHV
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| another name for thrombocyte | platelet
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| What additive is used in blood samples used for blood smears | EDTA
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| How are sed rates set up? | in a long tube straight up left to settle
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| What WBC's are used to calculate RBC indices | None
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| How many drops of blood are needed for a smear | one small drop
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| If the angle of the slider is to great what happens | smear is going to be to thick
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| MCV represents what | column of packed RBC
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| What is the most common used stain | Wright's stain
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| When do you read an ESR | one hour after setup
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| How many WBC's are counted on a blood smear | 100
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| What features are examined on a differential | cell, nucleus, cytoplasmic
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| What is an immature neutrophil | A Band
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| What is a single nuclear cytoplasmic granules | lymphocyte
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| Blood smear should cover how much of a slide | two thirds
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| When do Eosinophils increase it indicates | allergies
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| A patient with Mono will have increased | lymphocytes
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| What stain is used when staining reticulocytes | supra vital stain
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| What is the shape of a CBC | biconcave
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| What power is used to view RBC on the microscope | oil emersion
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| What are we looking for on a blood smear | cells, shape, size, color of nucleus, cytoplasm
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| What is the least type of WBC in the blood stream | Basophils
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| What is the life span of RBC's | 120 days
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| What forms antibodies | lymphocytes
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| A smear must be set up within _________ after drawing blood | two hours
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| The opening in the probe of an electrical impedance or electron optical cell counter: | aperture
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| an automated hematology instrument that analyzes formed elements based on their impedance of an electrical current: | electrical impedance cell counter
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| the method of studying the formed elements in blood that depends on their resistance to the flow of an electrical current is the: | electrical impedance method
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| this technique analyzes cells as they are forced through a detector system (electrical, light, laser, or fluorescent dyes) | flow cytometry
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| artificial blood containing both human and animal cells for checking settings: | hematology controls
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| a graph derived from sampling showing frequency distributions is: | histogram
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| optical counting method is also know as: | lights scattering method
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Created by:
CWillems
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