Phlebotomy

Question 1

Anticoagulant for lavender top

Answer 1

ethylenediaminetetraacetic acid (EDTA or Versene).

Question 2

Action of lavender top

Answer 2

Chelates calcium

Question 3

Anticoagulant for red top

Answer 3

None

Question 4

Action of red top

Answer 4

Allows blood to clot

Question 5

Anticoagulant red/gray or red/ black top

Answer 5

none but contains separator material or gel.

Question 6

Action of red/gray or red/black top

Answer 6

allows blood to clot and serves as a barrier between cells and serum

Question 7

Anticoagulant in orange top

Answer 7

Thrombin

Question 8

Blue top anticoagulant

Answer 8

Sodium citrate

Question 9

Blue top action

Answer 9

Binds calcium

Question 10

Black top anticoagulant

Answer 10

Sodium oxalate

Question 11

Action of black top

Answer 11

Also binds calcium

Question 12

Gray Top anticoagulant

Answer 12

sodium fluoride or potassium oxalate

Question 13

Gray top action

Answer 13

inhibits glycolytic enzyme inolase and act as anticoagulant.

Question 14

Yellow top anticoagulant

Answer 14

citrate dextrose

Question 15

Yellow top anticoagulant

Answer 15

citrate dextrose (ACD)

Question 16

Yellow top action

Answer 16

Preserves RBC

Question 17

Green top anticoagulant

Answer 17

heparin (sodiumlithium or NH4)

Question 18

Green Top action

Answer 18

inhibits thrombin activation.

Question 19

Blood is drawn in the following order:

Answer 19

yellow top, blue top, red top, green top, lavender top and gray top

Question 20

blood collection principle

Answer 20

Blood enters into the barrel by the pressure exerted through pulling of the plunger. On the other hand, blood enters into the evacuated tubes by evacuation.

Question 21

preferred site for puncture

Answer 21

median cubital vein
cephalic vein
basilic vein

Question 22

Angle of Draw in Venipuncture

Answer 22

15 to 30-degree angle

Question 23

Application of Torniquet

Answer 23

Applied 3-4 inches above the site

Question 24

yellow gauge

Answer 24

26G

Question 25

25G

Answer 25

lavender

Question 26

red gauge

Answer 26

24G

Question 27

23G

Answer 27

blue

Question 28

22G

Answer 28

Black

Question 29

21G

Answer 29

Green

Question 30

20G

Answer 30

Yellow

Question 31

18 G

Answer 31

Pink

Question 32

17G

Answer 32

white

Question 33

most common used gauge

Answer 33

21-22

Question 34

Order of Draw: Evacuated Tube and Syringe

Answer 34

- blood culture - coag sodium citrate - serum with or without clot activator/gel separator - heparin tubes - EDTA - Glycolytic inhibitor

Question 35

percentage of sodium citrate in blue top

Answer 35

3.2%

Question 36

used for newborn screening

Answer 36

capillary puncture

Question 38

most preferred finger for capillary puncture

Answer 38

ring finger

Question 40

capillary pipet and tube

Answer 40

red - heparinized blue - non heparinized

Question 41

cons of microtainer

Answer 41

- too much anticoagulant is used there is shrinkage of cells (false pos or neg) - more prone to clot or hemolysis

Question 42

evacuated tube system is often called?

Answer 42

vacutainer system

Question 43

the basic system consists of?

Answer 43

- double pointed needle - plastic holder - vacuum tubes with rubber stoppers

Question 44

works as a valve that stops the flow of blood when tube is removed in ETS

Answer 44

sleeve

Question 45

opening bore in needle shaft

Answer 45

lumen

Question 46

method by which the blood is pumped from the patient

Answer 46

tube

Question 47

needle for ets should be inserted at ___ angle to the surface

Answer 47

15-30

Question 48

a shallow vein will be accessed at a ___ angle

Answer 48

15

Question 49

a deep vein will need a __ degree angle

Answer 49

30

Question 50

example of a needle that has an attached safety feature

Answer 50

Becton Dickinson Eclipse Needle

Question 50

marks the point where the short end of the needle starts to enter the rubber stopper of the tube