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Related Flashcards
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Cards In This Set
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Phlebotomy / venipuncture
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Incision into or puncture of a vein to withdraw blood for testing
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Blood chemistry
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Test of the fluid portion of blood to measure the amounts of its chemical constituents (e.g., glucose and cholesterol)
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Blood chemistry panels
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Specialized batteries of automated blood chemistry tests performed on a single sample of blood; used as a general screen for disease or to target specific organs or conditions (e.g., metabolic panel, lipid panel, and arthritis panel)
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Basic metabolic panel (BMP)
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Battery of tests used as a general screen for disease; includes tests for calcium, carbon dioxide (CO2), chloride, creatinine, glucose, potassium, sodium, and blood urea nitrogen (BUN)
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Comprehensive metabolic panel (CMP)
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Tests performed in addition to the basic panel for expanded screening; albumin, bilirubin, alkaline phosphatase, protein, alanine aminotransferase (ALT), and aspartate aminotransferase (AST)
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Blood culture
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Test to determine if infection is present in the bloodstream by isolating a specimen of blood in an environment that encourages the growth of microorganisms; the specimen is observed, and the organisms that grow in the culture are identified
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CD4 cell count
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A measure of the number of CD4 cells (a subset of T lymphocytes) in the blood; used in monitoring the course of HIV and in timing the treatment of AIDS; the normal adult range is 600-1500 cells in a given volume of blood
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Erythrocyte sedimentation rate (ESR)
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Timed test that measures the rate at which red blood cells settle through a volume of plasma
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Partial thromboplastin time (PTT)
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Test to determine coagulation defects, such as platelet disorders
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Thromboplastin
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Substance present in tissues, platelets, and leukocytes that is necessary for coagulation
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Prothrombin time (PT)
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Test to measure activity of prothrombin in the blood
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Prothrombin
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Protein substance in the blood that is essential to the clotting process
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Complete blood count (CBC)
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A common laboratory blood test performed as a screen of general health or for diagnostic purposes and typically includes the component tests that follow; test results are usually reported along with normal values so that the clinician can interpret the results based on the instrumentation used by the laboratory; normal ranges also may vary depending on the region and climate
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White blood count (WBC)
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A count of the number of white blood cells in a given volume of blood obtained via manual or automated laboratory methods
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Red blood count (RBC)
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A count of the number of red blood cells in a given volume of blood obtained via manual or automated laboratory methods
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