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Bonewit Chapt 15

Introduction to the Clinical Laboratory

Automated method A method of laboratory testing in which the series of steps in the test method is performed with an automated analyzer.
Fasting Abstaining from foods or fluids for a specified amount of time before the collection of a specimen.
Homeostasis The state in which body systems are functioning normally; and the internal enviroment of the body is in equilibruim; the body is in a healthy state.
In Vivo Occuring in the living body or organism.
Laboratory tests The clinical analysis and study of materials, fluids, or tissues obtained from patients to assist in diagnosis and treatment of disease.
Manual method A method of laboratory testing in which the series of steps in the test method is performed by hands.
Plasma The Liq. part of the blood, consisting of a clear, yellowish fluid that comprises approx. 55% of the total blood volume.
Profile Numerous laboratory tests providing related or complementary information used to determine the health status of a Pt.
Quality control The application of methods to ensure that test results are reliable and valid and that errors are detected and eliminated.
Routine Test A laboratory test performed routinely on apparently healthy patients to assist in the early detection of disease.
Serum The clear, straw colored part of the blood that remains after the solid elements and the clotting factor fibrinogen have been separated out of it.
Specimen A small sample of something taken to show the nature of the whole.
Analyte A substance that is being identified or measured in a laboratory report.
Calibration A mechanism to check the precision and accuracy of a test system, such as an automated analyzer to determine if the system is providing accurate results; typically performed using a device called a standard
Clinical diagnosis A tenative diagnosis of a patients condition obtained though evaluation of the health history and the PE.
Control A solution that is used to monitor a test system to ensure the reliability and accuracy of test results.
Nonwaived test A complex lab test that doesn't meet the CLIA criteria for waiver an is subject to the CILA regulations.
Product insert A printed document supplied by the manufacturer with a lab test product that contains info on the proper stoarage & use of the product.
Qualitative test A test that indicates whether or not a substance is present in the specimen being tested & also provides a approx. indication of the amt. of the substance.
Quantitative test A test that indicates the exact amt. of a chemical substance that is present in the body, with the results being reported in measurable units.
Reagant A substance that produces a reaction with a patient specimen that allows detection of measurement of the substance by the test system.
Reference page A certain established and acceptable parameter or ref. range within which the laboratory test results of a healthy individual are expected to fall.
Test system A setup that includes all of the test components req. to perform a lab test such as testing devices, controls & testing reagents.
Waived tests A lab test that meets the CILA criteria for being a simple procedure that is easy to perform and has a low risk of erroneous test results; these have been FDA approved for home use.
Created by: sierrawaugh