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Phlebotomy > order of draw > Flashcards

order of draw Flashcards

1
Q

What is first in order of draw?

A

Sterile

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2
Q

What is the use for sterile collection?

A

Blood culture specimens in microbiology

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3
Q

Why is sterile first?

A

Minimize microbial contamination

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4
Q

What is second in order of draw?

A

Blue top (Sodium)

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5
Q

What is the use for the sodium collection labs?

A

Coagulation determination

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6
Q

Why is blue top (sodium) second?

A

All other additives affect coagulation tests

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7
Q

How many times do you invert sterile draws?

A

8-10

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8
Q

How many times do you invert blue top9sodium) draws?

A

3-4

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9
Q

What is third in order of draw?

A

Red Serum tubes with or without separator gel

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10
Q

What is the use for red serum tubes?

A

Serum determination in chemistry, used for diagnostic testing for infectious disease

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11
Q

How long must the red serum tubes clot for ?

A

30-60 minutes

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12
Q

Why is red serum tubes third?

A

Can affect coagulation

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13
Q

How many times must you invert your red serum tubes?

A

5

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14
Q

What is fourth in order of draw?

A

Yellow/tiger serum tubes with or without separator gel

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15
Q

What is the use for yellow/tiger serum tubes?

A

Serum determination in chemistry

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16
Q

How long must the yellow/tiger serum tubes clot?

A

30 minutes

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17
Q

Why is yellow/tiger serums fourth?

A

can affect coagulation test, anticoagulants in other tubes will override thrombin or silica

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18
Q

What is fifth in order of draw?

A

light green/army green heparin with or without gel

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19
Q

What is the use for light green/army green heparin tubes?

A

Whole blood or plasma determination in chemistry

20
Q

Why is light green/army green heparin fifth?

A

Affects coagulation test, interferes with serum collection

21
Q

How many times must you invert yellow/tiger serum tubes?

22
Q

How many times must you invert light green/army green heparin tubes?

23
Q

what is sixth in order of draw?

A

green heparin with or without gel

24
Q

What is the use for green heparin tubes?

A

Whole blood or plasma determinations in chemistry

25
Q

Why are green heparin tubes sixth?

A

affects coagulation test and serum collection.

26
Q

How many times must you invert green heparin tubes?

27
Q

What is seventh in the order of draw?

A

lavender, pink, pearl or tan EDTA tubes

28
Q

What is the use for lavender EDTA tubes?

A

whole blood determination sin hematology.

29
Q

What is the use for pink and pearl EDTA tubes?

A

routine immunohematology testing for blood donor and screening

30
Q

What is the use for tan EDTA tubes?

A

Lead determinations

31
Q

Why are EDTA tubes seventh?

A

Responsible for more carryovers than any other additive

32
Q

How many times must you invert EDTA tubes?

33
Q

What is eighth in order of draw?

A

Glycolytic inhibitor tubes

34
Q

What is the use for Glycolytic inhibitor tubes?

A

glucose determinations

35
Q

What are the different types of glycolytic inhibitor tubes?

A

oxalate and sodium fluoride

36
Q

What is the use for oxalate glycolytic inhibitor tubes?

A

Gives plasma samples

37
Q

What is the use for sodium fluoride glycolytic inhibitor tubes?

A

’
its the antiglycolytic agent

38
Q

Why is glycolytic inhibitor tubes eighth?

A

affects sodium and potassium, oxalates damage membranes and can interfere with enzyme reactions

39
Q

How many times must you invert glycolytic inhibitor tubes?

40
Q

What is the additive for sterile tubes?

A

Sodium polyanethol sulfonate or SPS

41
Q

What is the additive for sodium collection labs?

A

Sodium citrate

42
Q

What is the additive for red serum tubes?

A

clot activators like thrombin or silica

43
Q

What is the additive for yellow/tiger serum tubes?

A

clot activators like thrombin and silica and thixotropic gel

44
Q

What is the additive for light green/ army green heparin tubes?

A

lithium heparin, thixotropic gel

45
Q

What is the additive for green heparin tubes?

A

Sodium heparin or lithium heparin

46
Q

What is the additive for EDTA tubes?

47
Q

What is the additive for glycolytic inhibitor tubes?

A

antiglycolytic agent like potassium oxalate and sodium fluoride

Phlebotomy (12 decks)

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