Module 4: Order of Draw

Question 1

yellow

Answer 1

• 1st
• tube type: blood culture bottle
• additive: broth mixture
• uses: microbiology- aerobes, anaerobes, fungi

Question 2

light blue

Answer 2

• 2nd
• tube type: coagulation
• additive: sodium citrate
• uses: coagulation, PT and PTT

Question 3

red

Answer 3

• 3rd
• tube type: clot activator
• additive: clot activator
• uses: chemistry, immunology, serology, cross-match in blood banks

Question 4

gold

Answer 4

• 4th
• tube type: serum separator
• additive: none
• uses: chemistry, immunology, serology

Question 5

dark green

Answer 5

• 5th
• tube type: sodium heparin
• additive: sodium heparin or lithium heparin
• uses: lithium, sodium, or ammonia

Question 6

light green

Answer 6

• 6th
• tube type: PST
• additive: lithium heparin anticoagulant and gel separator
• uses: chemistries

Question 7

purple/lavender

Answer 7

• 7th
• tube type: EDTA
• additive: EDTA
• uses: hematology, blood bank

Question 8

light gray

Answer 8

• 8th
• tube type: oxalate fluoride
• additive: sodium fluoride and potassium oxalate
• uses: glucose

Question 9

pale yellow

Answer 9

• 9th
• tube type: blood tube
• additive: acid-citrate-dextrose
• uses: HLA tissue typing, paternity testing, DNA testing