Part 02: Evacuated Test Tubes

Question 1

there is a pre-measured vacuum with negative pressure

Answer 1

evacuated tube

Question 2

evacuated tubes are also known as

Answer 2

vacutainers

Question 3

two types of evacuated tube color coded tops

Answer 3

rubber stopper and color coded plastic shield

Question 4

preferred evacuated tube stopped with the hemoguard vacutainer system

Answer 4

coded plastic shield

Question 5

what are the tubes labeled with? (3 answers)

Answer 5

1. Type of anticoagulant or additive
2. Draw volume
3. Expiration date

Question 6

two types of additive

Answer 6

clot activator and anticoagulant

Question 7

for CC assays

Answer 7

Re/Gold/Orange

Question 8

red/gold/orange tops have clot activators such as

Answer 8

celite, silica particles, and thrombin

Question 9

gold and orange tops have this

Answer 9

thixotropic gel separator

Question 10

inert nonreacting synthetic substance

Answer 10

thixotropic gel separator

Question 11

contains sodium citrate as the additive

Answer 11

sodium citrate

Question 12

prevents coagulation by binding or chelating calcium

Answer 12

sodium citrate

Question 13

ratio of anticoagulant to blood

Answer 13

1:9

Question 14

consequence of incorrect ratio of anticoagulation and blood

Answer 14

prolonged bleeding

Question 15

used for coagulation studies such as aPTT and PT

Answer 15

blue top/light blue top, possibly black top

Question 16

used for special erythrocyte sedimentation

Answer 16

blue top/light blue top

Question 17

the additive for gray top

Answer 17

potassium oxolate and fluoride/sodium fluoride

Question 18

used for glucose determination so glucose does not breakdown

Answer 18

gray top

Question 19

three kinds of heparin in green tops

Answer 19

lithium, sodium, and ammonium

Question 20

prevents clots by inhibiting thrombin formation

Answer 20

heparin

Question 21

causes the least interference in chemistry testing and is most widely used

Answer 21

lithium heparin

Question 22

choice for pH determination, electrolyte studies, ABG

Answer 22

green top

Question 23

additive of yellow top

Answer 23

sodium polyanethole sulfonate (SPS)

Question 24

prevents coagulation by binding calcium (yellow top)

Answer 24

sodium polyanethole sulfonate (SPS)

Question 25

used for blood culture samples

Answer 25

yellow top

Question 26

reduces action of complement

Answer 26

yellow top

Question 27

slows down phagocytosis

Answer 27

yellow top

Question 28

reduces the activity of certain antibiotics

Answer 28

yellow top

Question 29

the additive for lavender tops

Answer 29

EDTA

Question 30

binds and chelates calcium in lavender tops

Answer 30

Ethylenediaminetetraacetic acid ( EDTA )

Question 31

used for hematologic tests like CBC

Answer 31

lavender top

Question 32

contains edta, heparin, or no additive

Answer 32

royal blue top

Question 33

used in trace element tests, toxicology studies, and nutrient determinations

Answer 33

royal blue top

Question 34

what top is used to test lead?

Answer 34

EDTA

Question 35

order of draw (evacuated tube)

Answer 35

Sterile, Light blue, Red, SST (Gold), PST (Light Green), Lavender, Gray

Question 36

order of draw (syringe)

Answer 36

sterile comes first, serum separators come last

Question 37

angle of inversion of tubes

Answer 37

180 degrees

Question 38

conversion of not inverting

Answer 38

EDTA/heparin anticoagulants will not clot, SST will clot completely

Question 39

Red wtihout clot activator and glass or silicon coated (inversion)

Answer 39

0 inversions

Question 40

Red with clot activator, gold, orange

Answer 40

5 inversion

Question 41

lavender, gray, yellow, royal blue, pink, white, tan, green number of inversions

Answer 41

8 inversions