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25 Cards in this Set
- Front
- Back
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Additive |
In laboratory, any material placed in a tube that maintains or facilitates the integrity and function of the specimen |
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Aliquot |
part of the whole specimen that has been taken off for use, testing, or storage |
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Anticoagulant |
chemical in a blood tube that prevents the clotting of the blood by removing the calcium from the blood or by stopping the formation of throbin |
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Cannula |
flexible tube, usually containing a trochar (a sharp instrument for inserting the cannula) , that is inserted into a body cavity, duct, or vessel to drain fluid or administer a substance such as a medication, ie. an IV cannula |
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Centrifuge |
device that spins tubes using centrifugal force to separate the fluid portion of blood from the formed elements |
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Constrict |
to become smaller in diameter |
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Dilate |
to enlarge in diameter |
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Edematous |
abnormal accumulation of fluid in the tissues resulting in swelling |
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Erythrocyte |
red blood cell, one of the formed elements of blood |
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hematology |
study of blood and blood-forming tissue |
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hematoma |
a large bruise, accumulation of blood around the venipuncure site during or after venipuncure caused by the leakage of blood from where the needle punctured |
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Hemoconcentration |
pooling of blood cells at the location of the tourniquet during venipuncure caused by leaving the tourniquet on the arm too long, resulting in inaccurate blood samples. |
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Hemolysis |
rupturing of the red blood cells during the process of blood collection- Serum or plasma becomes contaminated and has a reddish color |
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Hypoglycemia |
state of having a lower than normal blood glucose level |
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Leukocyte |
white blood cell, one of the formed elements of blood |
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Lipemia |
excessive amount of fat (lipids) in the blood, resulting in a blood sample that has a milky appearance |
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Luer-Lok |
Syringe tip that contains grooves or threads so a needle can be securely screwed in |
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oxygenated |
containing high, or adequate levels of oxygen |
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Palpate |
to feel with fingertips; search for a vein with a pressure and release touch |
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Phlebotomy |
process of collecting blood |
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plasma |
fluid portion of blood which has not been coagulated- this fluid contains fibrinogen |
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Serum |
Liquid portion of blood obtained after blood has been allowed to clot |
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Thrombocyte |
Platelet, cellular fragment of megataryocyte; plays an important role in blood coagulation, hemostasis and clot formation |
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Tourniquet |
Device used to facilitate vein prominence by constricting an area of a limb |
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Venipuncture |
puncturing into a vein with a needle to obtain a blood sample |
