syringe
Medical term Routine Blood Collections
Barrel and plunger used with a needle or winged set, often for small or fragile veins; a 1 to 5 mL syringe avoids collapsing small veins.
Sources
Free practice questions that use syringe
- Special Collections, question 2Blood is drawn by syringe for blood cultures and a lavender-top tube. Using a transfer device, which is filled first?
Related terms
- small-volume tubeStandard-size tube with a weaker vacuum that draws less blood; used for children and fragile veins to reduce…
- sodium citrateAnticoagulant that binds calcium, used in light blue-top tubes for coagulation tests. Fill to the line to…
- sphygmomanometerA blood pressure cuff with a gauge. It can serve as a tourniquet when inflated to just below the patient's…
- syncopeFainting: brief loss of consciousness when too little blood reaches the brain. If it starts during a draw…
- systemic circulationBlood flow from the left ventricle through the arteries to the body's tissues and back through the veins to…
- systolic pressureThe upper blood pressure number: the peak pressure in the arteries while the ventricles contract.
- thrombinClotting enzyme that turns fibrinogen into fibrin. Orange-top tubes use a thrombin-based clot activator to…
- thrombusA blood clot formed inside a vessel. A thrombosed vein feels hard or cordlike and is not used for…