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Med Lab > blood tubes > Flashcards

blood tubes Flashcards

1
Q

what is the reason a patient would have a coagulation study test run

A

patient already had a clot and is now on medication to prevent more from happening

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2
Q

what is the purpose for coagulation studies

A

to see how well a patients blood clots

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3
Q

what 2 medications might a patient be taking to prevent blood clots

A
  • warfarin

- coumadin

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4
Q

why can you NOT use the gold/SST tube for toxicology department

A

thixotropic gel will absorb medication/drugs

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5
Q

what color tube would you use if you were looking for heart attack or organ failure

A

green

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6
Q

what action are you looking for in a red top tube

A

clump RBC’s together so remainder (serum) can be analyzed

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7
Q

why do you put a green tube on ice ASAP after blood draw

A

to stop any metabolic changes from occuring

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8
Q

what does the additive thixotropic gel do

A

help separate layers of density after centrifuging

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9
Q

blood culture comes as a set called

A

aerobic and anaerobic

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10
Q

what does the additive broth media culture in a blood culture tube do

A

feeds and sustains bacterial growth

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11
Q

green tube testing for

A
  • blood gasses
  • ammonia
  • catacholamines
  • lactic acid
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12
Q

what is the cleaning process for blood culture lubes and patient

A
  1. clean tube/patient with separate 70% isopropyl alcohol swabs
  2. air dry
  3. clean tube/patient with tincture of iodine
  4. air dry
  5. clean tubes/patient again with 70% isopropyl alcohol to remove iodine (leave swab on tube cap of last to be used tube
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13
Q

bright yellow tube additives

A
  • charcoal
  • broth culture medium
  • sodium Polyanethol sulfonate
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14
Q

additive in plasma separator tube(PST) (light green)

A

thixotropic gel

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15
Q

butterfly needle - use with what tubes

A

blood cultures

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16
Q

butterfly needle used on who

A

children and elderly

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17
Q

butterfly needle used why

A
  • dehydrated patient

- collapsed vein

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18
Q

what is procedure when 1st draw tube is ration tube using butterfly needle

A

use discard tube to bleed air out of line

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19
Q

green tube # of inversions

A

8

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20
Q

green tube department

A

STAT chemistry

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21
Q

what color tubes CANNOT replace Royal Blue and why

A

lavender and pink

possible metal in cap

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22
Q

how many times do you invert royal blue tubes

A

8

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23
Q

how many times do you invert green tubes

A

8

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24
Q

what color tube do you use when looking for heavy metal poisoning

A

royal blue

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25
Q

how many times do you invert lavender tubes

A

8

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26
Q

what additives are found in a gold/SST tube

A
  • prothrombin activator

- thixotropic gel

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27
Q

red tube tests for what

A

prescription and illicit drugs

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28
Q

Canada blood services keep blood for

A

42 days

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29
Q

where is tourniquet applied?

where do tails face

A
  • 2-4 inches above antecubital fossa

- tail facing up

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30
Q

if patient is dehydrated or collapsed vein what needle do you use

A

butterfly needle

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31
Q

blood culture tubes use what needle

A

butterfly needle

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32
Q

when is butterfly needle not best choice

A

when drawing multiple tubes

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33
Q

how many mL does SST tube hold

A

8-10 mL

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34
Q

how many times do you invert a red plastic tube

A

5

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35
Q

how many times do you invert a bright yellow tube

A

8

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36
Q

vein that runs along lateral side of arm

A

cephalic

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37
Q

blood culture tubes called

A

aerobic and anerobic

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38
Q

when an anticoagulant tube is centrifuged what are the layers

A

55% plasma
buffy coat
45% formed elements

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39
Q

anticoagulated tube produces

A

plasma

40
Q

what tube contains a buffy layer after centrifuge

A

anticoagulant tube

41
Q

lavender/pink tube additives

A

EDTA

42
Q

black tube additives

A

buffered sodium citrate

43
Q

light blue tube # of inversions

A

3-4

44
Q

light blue tube department

A

coagulation studies

45
Q

bright yellow tube # of inverstions

A

8

46
Q

bright yellow tube department

A

microbiology

47
Q

butterfly needle what gauge

A

25 gauge

48
Q

green tube additive

A

heparin

49
Q

additive in green tue

A

heparin

50
Q

gold/SST tube # of inversions

A

5-6

51
Q

gold/SST tube department

A
  • chemistry
  • immunology
  • transfusion services
52
Q

STAT test are kept how

A

on ice

53
Q

gold/SST tube additives

A
  • prothrombin activator

- thixotropic gel

54
Q

additive heparin is in what color tube

A

green

55
Q

most important of blood culture tubes

A

aerobic

56
Q

what additive is found in lavender/pink tubes

A

EDTA (ethylenediaminetetraacetic acid)

57
Q

what color tube can replace lavender and pink tubes

A

royal blue

58
Q

how many times do you invert pink tubes

A

8

59
Q

what are you testing for with a green top tube

A
  • ammonia
  • blood gases
  • lactic acid
  • catecholamines
60
Q

what color tube is used for STAT tests done in hospital

A

green

61
Q

how many times do you invert grey tubes

A

8

62
Q

what color top does blood culture tube have

A

bright yellow

63
Q

how many times do you invert a gold/SST tube

A

5-6

64
Q

what additive is found in a green tube

A

heparin

65
Q

what color is a plasma separator tube (PST)

A

light green

66
Q

what additive is found in red plastic tube

A

prothrombin activator

67
Q

what 4 tests are performed pertaining to coagulation studies

A

INR - international normalized ratio
PT - prothrombin time
aPtt - partial prothromblastin time
FDP - fibrinogen degradation product

68
Q

what does INR stand for

A

international normalized ratio

69
Q

what does PT stand for

A

prothrombin time

70
Q

what does aPtt stand for

A

partial prothromblastin time

71
Q

what does FDP stand for

A

fibrinogen degradation product

72
Q

what additive is found in a a light blue tube

A

buffered sodium citrate

73
Q

how many times do you invert a light blue tube

A

3-4

74
Q

what is the ratio required for light blue tube

A

1:9

75
Q

what color top is used for coagulation studies

A

light blue

76
Q

what color tubes are used to perform glucose tolerance tests (GTT)

A

grey

77
Q

what is buffy coat comprised of

A

WBC and platelets

78
Q

what tubes contain heparin

A

green and light green

79
Q

anticoagulated tube contains what

A
  • plasma
  • buffy coat
  • formed elements
80
Q

tube containing anticoagulant that prevents clotting using heparin

A

green

81
Q

pale yellow tube # of inversions

A

8

82
Q

pale yellow tube department

A

cytogenetics

transfusion services

83
Q

what color is discard tube

A

red

84
Q

bilirubin protected from

A

light

85
Q

what color tube is used for toxicology department

A

red

86
Q

what color tubes have serum

A

gold/SST and red

87
Q

what does the additive prothrombin activator do

A

enhance clotting

88
Q

what needle is 25 gauge

A

butterfly needle

89
Q

light blue tube additives

A

buffered sodium citrate

90
Q

grey tube # of inversions

A

8

91
Q

grey tube department

A

chemistry

92
Q

what 3 departments use a gold/SST tube

A

routine chemistries
immunology
transfusion servies

93
Q

what color tube do you use for hematology

A

lavender/pink/royal blue

94
Q

what does the additive charcoal in a blood culture tube do

A

absorbs toxins

95
Q

what does the additive sodium Polyanethol sulfate (SOS) in a blood culture tube do

A

stop blood from clotting

Med Lab (13 decks)

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