Chp. 4 Vocab Flashcards
Procedure that involves puncturing the finger or heel with a lancet device to obtain a small quantity of blood for testing. Also known as skin puncture or capillary collection
Dermal puncture
In front of elbow
Antecubital
Liquid portion of the blood in which blood cells are suspended
Plasma
An additive in collectotunes used an an anticoagulant to keep blood specimens from clotting
Ethylenediaminetetraacetic acid (EDTA)
Straw colored liquid portion of the blood visible after the specimen had been allowed to clot and after centrifugation
Serum
Excessive accumulation of blood into an area of the body , usually caused by a tourniquet left on too long or patient pumping their fist
Hemoconcentration
Hollow core of the vein; best place for needle position during venipuncture
Lumen
Puncture through both sides of the vein resulting in a failed blood collection
Transfix
Found in light blue tubes and used for clotting tests
Sodium citrate
Found in lavender or pink tubes and used for hematology test
EDTA
Found in green tubes and used for most chemistry tests
Heparin
Found in grey tubes and used for testing sugar
Potassium oxalate/Sodium fluoride
Destruction of red blood cells
Hemolysis
Anemia caused by collecting too much blood from a patient by volume in a given amount of time
Iatrogenic anemia
Portion of blood that is expressed as a percentage by volume and consists of packaged red blood cells
Hematocrit
