Phlebotomy Tech Prep: CPT Coming soon

rolling vein

Medical term Routine Blood Collections

A vein that slides away from the needle; anchoring the skin taut below the site holds it in place.

Related terms

  • anchoringHolding the skin taut with the thumb below the site, pulling toward the hand, so the vein stays still as the…
  • veinA vessel that carries blood back toward the heart under low pressure. Superficial arm veins are the usual…
  • pulmonary circulationBlood flow from the right ventricle through the lungs, where it picks up oxygen, and back to the left atrium.
  • pulseThe throb of an artery with each heartbeat. A pulse under the fingertip means an artery is there; do not…
  • refluxBackflow of tube contents into the vein; keeping the arm angled downward while tubes fill prevents it.
  • Rh factorRed-cell antigen tested with the ABO type: people who have it are Rh-positive; those who lack it are…
  • sclerosed veinA hardened, cordlike vein, often from damage or clotting; it does not spring back when pressed and is not…
  • serumThe liquid left after blood clots and is centrifuged; it lacks the clotting factors used up in the clot…
  • serum separator tubeGold or red-gray (tiger) top. Its clot activator speeds clotting; when the tube is spun, its gel moves to…
  • small-volume tubeStandard-size tube with a weaker vacuum that draws less blood; used for children and fragile veins to reduce…

Study Routine Blood Collections