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Chapter 53
Assisting in Phlebotomy
| Term | Definition |
|---|---|
| Hemoconcentration | A condition in which the concentration of blood cells is increased in proportion to the plasma. |
| Hemolysis | The destruction or dissolution of red blood cells, with subsequent release of hemoglobin. |
| Plasma | The liquid portion of whole blood that contains active clotting agents. |
| Serum | The liquid portion of whole blood that remains after the blood has clotted. |
| Thixotropic Gel | A material that appears to be solid until subjected to a disturbance, such as centrifugation, whereupon it becomes a liquid |
| Double-Pointed Safety Needle | A blood drawing needle used with an evacuated tube system to allow the user to collect more than one tube of blood without contaminating the tube or holder. |
| Evacuated Stopper Tubes | A plastic or glass sealed vacuum tube used to collect a blood specimen obtained through venipuncture. |
| Sharps Container | A hard plastic container that is used to safely dispose of hypodermic needles and other sharp medical instruments, such as an IV catheters and disposable scalpels. |
| Syringes | A tube with a nozzle and piston or bulb for sucking in and ejecting liquid in a thin stream, used for cleaning wounds or body cavities, or fitted with a hollow needle for injecting or withdrawing fluids. |
| Winged Infusion Sets (Butterfly Needles) | "Scalp vein" set—is a device specialized for venipuncture: i.e. for accessing a superficial vein for either intravenous injection or phlebotomy. |
| Tourniquet | A constricting or compressing device used to control arterial and venous blood flow to a portion of an extremity for a period of time. |
| Marking Pen | |
| Alcohol Swabs | |
| Gauze Swabs | |
| Bandages | |
| Gloves |
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