Order of Draw

Question 1

Sterile bottle/blood culture additive

Answer 1

Nutrient broth media

Question 2

Light blue additive

Answer 2

Sodium citrate (anticoagulant)

Question 3

Red additive

Answer 3

None

Question 4

Tiger top/speckled tube/marble/gold top additive (Serum Separator Tube “SST”)

Answer 4

Silica (clot activator), thixotropic gel (coagulant)

Question 5

Mint/light green additive

Answer 5

Thixotropic gel, lithium heparin

Question 6

Dark green additive

Answer 6

Sodium heparin

Question 7

Lavender/purple additive

Answer 7

EDTA (anticoagulant)

Question 8

Which tube is always filled full (9:1 blood:additive ratio)?

Answer 8

Light blue top

Question 9

Which tube is filled 2/3?

Answer 9

Lavender/purple top

Question 10

Which tube is used for an Oral Glucose Tolerance Test (OGTT)?

Answer 10

Gray top

Question 11

Which tube is used for lactic acid?

Answer 11

Gray top

Question 12

What do you need to do for a lactic acid test?

Answer 12

On ice, no tourniquet

Question 13

For which tests should you use chloroprep to sterilize the site?

Answer 13

ETOH (alcohol) and blood culture

Question 14

How many times is a pink tube inverted?

Answer 14

8

Question 15

Which tube is inverted 3-4 times?

Answer 15

Light blue

Question 16

How many times is a royal blue red stripe tube inverted?

Answer 16

None

Question 17

How many times is a red tube inverted?

Answer 17

None

Question 18

How many times is a royal blue lavender stripe tube inverted?

Answer 18

8

Question 19

What department is a pink tube for?

Answer 19

Blood bank

Question 20

Pink additive

Answer 20

EDTA (anticoagulant)

Question 21

Gray additive

Answer 21

Sodium fluoride, potassium oxalate (anticoagulant)

Question 22

What tests are a light blue tube used for?

Answer 22

Prothrombin time (PT), Partial Prothrombin Time (PTT), Activated Partial Thromboplastin Time (APTT), D-Dimmer INR BT

Question 23

What test is a dark green tube used for?

Answer 23

Ammonia (on ice)

Question 24

Which tubes yield serum?

Answer 24

Red, Royal blue red top

Question 25

Which tubes yield plasma?

Answer 25

light blue, mint green, dark green, purple, pink, gray, royal blue lavender stripe

Question 26

What does a mint green tube test for?

Answer 26

Electrolytes (LYTES), HCG - pregnancy qualitative and quantitative

Question 27

What tube top is used for a sickle cell screening?

Answer 27

Lavender/purple

Question 28

What tube top is used for a Basic Metabolic Panel (BMP) or a Complete Metabolic Panel (CMP)?

Answer 28

Tiger top/gold

Question 29

What tube top is used for therapeutic drug monitoring?

Answer 29

Red

Question 30

What is the correct order of draw by tube top color?

Answer 30

Sterile (aerobic then anaerobic), light blue, royal blue red stripe, red, tiger top/gold, mint green, dark green, lavender/purple, royal blue lavender stripe, pink, gray

Question 31

What tube top color is a Serum Separator Tube (SST)

Answer 31

Tiger top/gold

Question 32

What tube top is used for a Thyroid Stimulating Hormone (TSH) test?

Answer 32

Tiger top/gold

Question 33

Is EDTA a coagulant or anticoagulant?

Answer 33

Anticoagulant

Question 34

Is thixotropic gel a coagulant or anticoagulant?

Answer 34

Coagulant

Question 35

Is potassium oxalate a coagulant or anticoagulant?

Answer 35

Anticoagulant

Question 36

What does FUO stand for?

Answer 36

Fever of unknown origin

Question 37

Which tube top color may be used for a blood culture?

Answer 37

Pale yellow

Question 38

What tests are performed on a pink tube?

Answer 38

Type and screen ratio (TSR), cross match, ABO/Rh

Question 39

What department is a tiger top tube sent to?

Answer 39

Chemistry

Question 40

What tubes are sent to the toxicology department?

Answer 40

Royal blue

Question 41

What tube is sent to the hematology department?

Answer 41

Lavender/purple

Question 42

What tubes are sent to the chemistry department?

Answer 42

Red, tiger top, light green, dark green, gray

Question 43

What department is the light blue tube sent to?

Answer 43

Coagulation

Question 44

What department is a blood culture tube sent to?

Answer 44

Microbiology

Question 45

What test is never centrifuged?

Answer 45

Complete Blood Count (CBC)

Question 46

What color tube top tests for lead poisoning?

Answer 46

Royal blue red stripe

Question 47

What color tube top tests for heavy metals?

Answer 47

Royal blue lavender stripe