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Ch. 8 Key Terms
Key Terms
Term | Definition |
---|---|
additives | chemical added to evacuated tubes |
antiseptic | substance that prevents infection |
bacteriostatic | agent that prevents growth of bacteria |
butterfly | small needle and flexible tube for delicate veins |
clot activators | additive that stimulates clotting |
disinfectant | agent used to clean a surface other than living tissue |
gauge | number describing the diameter of a needle's lumen |
glycolysis | metabolic sugar breakdown within cells |
inpatients | patient admitted to the hospital |
Luer adapter | device for adapting a butterfly needle to an evacuated tube |
lumen | hollow tube within a needle |
multi sample needle | double-ended needle designed to be used with an evacuated tube system |
needle adapter | translucent plastic cylinder connecting a multisample needle to an evacuated tube |
order of draw | prescribed sequence in which tubes with different additives should be filled during a multitube collection |
outpatients | patient treated at a hospital without being admitted as an inpatient |
polymer gel | an inert, synthetic additive used to separate cells from plasma during centrifugation; also called thixotropic gel |
thixotropic gel | inert additive used to separate cells from plasma during centrifugation |
tourniquet | strip of material used to reduce circulation and increase prominence of veins |
tube advancement mark | mark on a needle adapter indicating how far the tube can be pushed in without losing vacuum |
tube holder | translucent plastic cylinder connecting a multisample needle to an evacuated tube |
whole blood | blood before it is separated |
winged infusion set | small needle and flexible tube for delicate veins |