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VNPT51 CH.15 Terms
VNPT51 Chapter 15 Specimen Collection and Diagnostic Testing-mb
Term | Definition |
---|---|
Culture | a laboratory test involving cultivation of microorganisms or cells in a special growth medium |
Cytology | the study of cells, including their formation, origin, structure, function, biochemical activities, and pathologic processes |
electrocardiogram (ECG) | a graphic representation of electrical impulses generated by the heart during a cardiac cycle; it identifies abnormalities that interfere with electrical conduction through cardiac tissue |
expectorate | eject mucus, sputum or fluids from trachea and lungs by coughing or sptting |
fixative | any substance used to preserve gross or histologic specimens of tissue for later examination |
hemoccult | a card test detects occult blood in feces |
midstream urine specimen | urine collected after voiding is initiated (midstream) and before voiding is completed |
occult | hidden, not visible without the use of a microscope |
residual urine | urine left in the bladder after voiding |
sensitivity | a laboratory method of determining the effectiveness of antibiotics, usually performed in conjunction with culture |
specimen | a small sample of something, intended to show the nature of the whole |
tourniquet | is a constricting device traditionally applied to control bleeding. |
vacutainer | is used to collect multiple blood samples |
venipuncture | the most common method, involves inserting a hollow-bore needle into the lumen of a large vein to obtain a specimen. |