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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 |