Routine Blood Collections, question 8The lab rejects a hemolyzed light green-top (lithium heparin) tube. Which handling step at collection most likely caused the hemolysis?
Related terms
heparinAnticoagulant that blocks thrombin. Green-top tubes hold lithium or sodium heparin for plasma chemistry; it…
plasmaThe liquid part of unclotted blood, separated by centrifuging a tube that contains an anticoagulant; it…
isopropyl alcoholThe usual antiseptic for routine venipuncture, as 70% alcohol, applied with firm pressure and left to…
jaundiceYellow skin and eyes from too much bilirubin. The patient's serum or plasma may look dark yellow (icteric)…
lancetSterile, single-use device that punctures the skin for capillary collection; its length is chosen for the…
leukocyteWhite blood cell: a cell with a nucleus that defends the body against infection; types include neutrophils…
Luer adapterConnector joining a winged set's tubing to a tube holder; it may be a threaded Luer lock or a friction-fit…
lumenThe hollow channel inside a needle or vessel. Needle gauge describes the size of the needle's lumen.
median cubital veinVein crossing the antecubital fossa between the cephalic and basilic veins; first choice for venipuncture…
microcollection containerSmall tube for capillary blood from a skin puncture, plain or with an additive; most analyzers need a…