Tubes And Additives

Question 1

Blood culture additive

Answer 1

SPS (sodium polyanethol sulfonate)

Question 2

Light blue top additive

Answer 2

Sodium citrate (chelating calcium)

Question 3

Red top additive

Answer 3

No anti-coagulant, may contain clot activator
Is a serum

Question 4

Gold top additive

Answer 4

No anti-coagulant, has clot activator (thrombin or silica grains)

Question 5

Green top additive

Answer 5

Heparin (lithium, sodium, or ammonium) works to block thrombin

Question 6

Purple or lavender top additive

Answer 6

EDTA (binds calcium)

Question 7

Pink top additive

Answer 7

EDTA (binding calcium)

Question 8

Gray top additive

Answer 8

NaF- antiglycolytic (preserves glucose)
K oxalate- binds calcium

Question 9

Royal blue (additives and tests)

Answer 9

No additive
EDTA
heparin
Trace elements: Cu, Al, Zn, Hg

Question 10

Yellow Top (additives and tests)

Answer 10

ACD (adenine citrate dextrose)
Red and white tissue studies
DNA
Human leukocyte antigen typing
Tissue typing, flow cytometry