Chapter 6

Question 0

Light blue topped tubes

Answer 0

Coagulation procedures, such as Prothrombin time ( PT)

Additive: sodium citrate which is best anticoagulant

Question 1

Yellow topped tubes

Answer 1

Sterile blood specimen when septicemia is suspected.

Preserve blood for donation, blood banking, and DNA testing

Additive: Sodium polyanethol sulfonate (SPS) for microbiology and acid citrate dextrose(ACD) for blood donation

Question 2

Mottled topped, speckled topped and gold topped

Answer 2

Serum separation tubes, have to set for 30 min after inversion and prior to centrifugation.

Question 3

Red topped tubes

Answer 3

Serum collection

Additive: none

Question 4

Green topped tubes

Answer 4

Chemical tests (BUN, glucose, electrolyte, etc)

Additive: anticoagulants sodium heparin and lithium heparin

Question 5

Purple/lavender topped tubes

Answer 5

Hematology tests

Additive: EDTA

Question 6

Pink topped tubes

Answer 6

Blood bank collections

Additive: EDTA

Question 7

Gray topped tubes

Answer 7

Glucose tests

Additive: potassium oxalate and sodium fluoride
OR
Sodium fluoride and EDTA
 OR 
sodium fluoride only

Question 8

Royal blue

Answer 8

Nutritional studies, therapeutic drug monitoring, toxicology

Additive: trace element

Question 9

Black topped tubes

Answer 9

ESR

Additive: sodium citrate

Question 10

Needle sizes

Answer 10

16-18 gauge for donor units of blood

21-22 gauge for lab collected specimens

Question 11

Tan topped tubes

Answer 11

Lead testing

Additive: EDTA

Question 12

Penetration depth recommendation for infants

Answer 12

Less than 2.0 mm on heel sticks to avoid penetrating a bone.

Question 13

BD Quikheel lancet

Answer 13

Infants- teal

Preemie- purple