Ch. 41 Phlebotomy

Front 1

additive

Back 1

substance that is added to a blood collection tube

Front 2

antecubital space

Back 2

space inside the arm at the bend of the elbow that is the best site for routine venipuncture

Front 3

anticoagulant

Back 3

substance that inhibits blood clotting

Front 4

buffy coat

Back 4

middle layer of a whole blood specimen that contains leukocytes and platelets

Front 5

capillary puncture

Back 5

process of performing a skin puncture to obtain blood

Front 6

erythrocyte

Back 6

also known as a red blood cell; red blood cells are primarily responsible for transporting oxygen

Front 7

evacuated tube

Back 7

plastic tube that contains a vacuum, which draws blood into the tube through a dual needle system

Front 8

hematoma

Back 8

also known as a bruise

Front 9

hemoconcentration

Back 9

accumulation of blood caused by leaving the tourniquet on too long, causing an increase in red blood cells and a decrease in plasma volume

Front 10

hemolysis

Back 10

destruction of red blood cells; causes a red tinge in serum

Front 11

lancet

Back 11

capillary puncture device

Front 12

leukocytes

Back 12

also known as white blood cells; wbc are responsible for fighting infection and creating antibodies

Front 13

phlebotomy

Back 13

process of collecting blood for analysis

Front 14

plasma

Back 14

liquid portion of blood that contains clotting factors

Front 15

serum

Back 15

liquid portion of blood without clotting factors

Front 16

thrombocytes

Back 16

platelets responsible for clot formation

Front 17

tourniquet

Back 17

device used to aid vein protrusion

Front 18

venipuncture

Back 18

process of puncturing a vein with a needle to obtain blood

Front 19

whole blood

Back 19

blood composed of formed elements and plasma

Front 20

Order of Draw

Back 20

order in which tubes are drawn in order to prevent cross-contamination; yellow, light blue, red, tiger top, light green/dark green, lavender, gray

Front 21

SPS

Back 21

Sodium polyanethol sulfonate; additive in yellow topped tube

Front 22

Na Citrate

Back 22

Sodium citrate; additive in light blue topped tube

Front 23

No additive

Back 23

no additives are foind in red topped or tiger topped tubes

Front 24

Na Heparin

Back 24

Sodium Heparin; additive found in green topped tubes

Front 25

EDTA

Back 25

Ethylenediamenetetraacetate; additive found in lavender topped tubes

Front 26

K oxalate + NA fluoride

Back 26

Potassium oxalate + Sodium fluoride; additive found in gray topped tubes

Front 27

Blood Cultures

Back 27

tests that yellow topped tubes are used for

Front 28

PT/INR, PTT

Back 28

tests that light blue topped tubes are used for

Front 29

Blood Bank/ Type and Screen

Back 29

tests that red tops are used for

Front 30

Serum specimens, chemistries, lytes, cardiac panels

Back 30

tests that tiger topped tubes are used for

Front 31

Stat chemistries, ammonia levels, troponin

Back 31

tests that green topped tubes are used for

Front 32

CBC, H&H, ESR

Back 32

tests that lavender topped tubes are used for

Front 33

FBG, GTT

Back 33

tests that gray topped tubes are used for

Front 34

Lumen

Back 34

opening of the needle

Front 35

Bevel

Back 35

angled portion of the needle

Front 36

Gauge

Back 36

size of the needle

Front 37

20G

Back 37

preferred size of needle for venipuncture

Front 38

Median Cubital Vein

Back 38

preferred vein for venipuncture; the vein located in the middle of the antecubital space

Front 39

Cephalic Vein

Back 39

Second choice for venipuncture; the vein located towards the outside of the antecubital space

Front 40

Basilic Vein

Back 40

Last choice for venipuncture, mostly avoided due to increased likeliness of hitting a nerve when performing a venipuncture; the vein located towards the inside of the antecubital space