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CPT > Mod 4 - Routine Blood Collection > Flashcards

Mod 4 - Routine Blood Collection Flashcards

1
Q

what is the most common needle gauge for evacuated venipunctures

A

21 gauge

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2
Q

what is the common needle gauge range for evacuated venipunctures

A

21-23

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3
Q

what is the common needle length range for evacuated venpunctures

A

1-1.5 inches

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4
Q

t/f: adult collection tubes can be used on kids

A

false

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5
Q

anticoagulant tubes are also called

A

plasma tubes

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6
Q

blood culture tubes have

A

sodium polyanethole sulfonate (SPS)

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7
Q

light blue tubes have

A

sodium citrate

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8
Q

light blue tubes are used for

A

coagulation tests

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9
Q

green tubes have

A

sodium, lithium, or ammonia heparin

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10
Q

green tubes are used for

A

check chemical levels in blood

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11
Q

purple/lavender tubes have

A

ethylenediaminetetraacetic acid (EDTA)

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12
Q

lavender tubes are used for

A

whole blood hematology

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13
Q

gray tubes have

A

potassium oxalate/sodium fluoride

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14
Q

gray tubes are used for

A

glucose or alcohol levels

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15
Q

royal blue tubes have

A

clot activator or EDTA

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16
Q

royal blue tubes are used for

A

trace element testing

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17
Q

light yellow tubes have

A

acid citrate dextrose (ACD)

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18
Q

light yellow tubes are used for

A

blood bank studies and DNA testing

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19
Q

serum tubes are used for

A

blood tests that need the blood to clot

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20
Q

what colors are serum tubes

A

red, gold, or orange

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21
Q

why do glass serum tubes have no additives

A

the silica in the glass/silicone blown into the tubes help it clot

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22
Q

plastic red and gold tubes have

A

clot activator

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23
Q

red and gold tubes are used for

A

chemistry determinations

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24
Q

orange tubes have

A

thrombin-based clot activator

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25
Q

orange tubes are used for

A

state chemistry determination

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26
Q

what is it called when a gel separator is in a serum tube

A

serum separator tube (SST)

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27
Q

what is it called when the gel separator is in a plasma tube

A

plasma separator tube (PST)

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28
Q

what is the purpose of gel separator

A

assist in the processing of the blood after tube is centrifuged

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29
Q

what are the most common syringe sizes used when drawing blood with the syringe method

A

10-20 mL

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30
Q

what needles are used for syringe blood draw

A

same as evacuated (21-23 G and 1-1 1/2 in long)

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31
Q

how long is a butterfly needle

A

3/4 inch

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32
Q

expiry dates should be checked on

A

tubes and needles

33
Q

should you collect blood from a site that has a tatoo

A

no

34
Q

where should blood be drawn if there is an IV

A
  • below the IV site with the IVs off
  • use the opposite arm
35
Q

which should be used the first, hand or basilic vein

A

hand

36
Q

the tourniquet should be ___above the site

A

3-4 inches

37
Q

define HEMOCONCENTRATION

A

excessive accumulation of blood into area of body from tourniquet or pumping fist

38
Q

what can be used if a tourniquet is not available

A

BP cuff inflated to 40

39
Q

what are some replacements for alcohol to cleanse the skin

A

chlorhexidine gluconate and povidone-iodine

40
Q

should you use a alcohol wipe to prep the site when you are testing BAC

A

no

41
Q

what should be used to prep the site for blood culture collection

A
  • povidone-iodine
  • chlorhexidine gluconate
  • alcohol and povidone combination
42
Q

the proper angle for a dorsal hand blood collection is

A

10

43
Q

define TRANSFIX

A

puncture thru both sides of the vein causing failed collection

44
Q

what comes first when collecting blood culture, aerobic or anaerobic

A
  • anaerobic first if with a syringe
  • aerobic first if using butterfly
45
Q

what is the order of draw

A
  • blood culture/yellow (sps)
  • light blue
  • serum (red/gold/tiger/red&black)
  • orange (RST)
  • green
  • lavender
  • pink
  • gray
  • light yellow (ACD)
  • royal or dark blue
46
Q

yellow stopper tubes with SPS are used for

A

bacterial studies

47
Q

serum tubes need to be allowed to clot for ___ before centrifugation

A

30 min

48
Q

what are some common blood chemistry tests

A
  • electrolytes
  • kidney function test/renal panel
  • liver function
  • basic metabolic panel
  • comprehensive metabolic panel
49
Q

serum tubes are often colored

A
  • red
  • gold
  • tiger
  • red and black
50
Q

orange tubes are RST. what does RST mean

A

rapid serum tubes

51
Q

when are orange tubes

A

stat serum tube for blood chemistry

52
Q

how long does orange tubes need to clot

A

5 min

53
Q

what are common hematology tests

A

CBC, RBC, WBC, Hematocrit, platelet, hemoglobin, PT, PTT, INR

54
Q

green tubes are used for

A
  • test blood serum
  • stat blood chemistry
55
Q

pink stopper tubes have

A

EDTA

56
Q

pink stopper tubes are used for

A

blood bank collections

57
Q

royal blue tubes can have

A

EDTA, sodium citrate, heparin, or serum

58
Q

what should be done before drawing blood for a light blue tube

A

fill a clear discard tube

59
Q

why is EDTA used for hematology tests

A

help preserve shape of cells and reduce platelet clumping

60
Q

why is heparin used for most chemistry tests

A

prevent blood clots from causing falsely elevated results

61
Q

why is potassium oxalate/sodium fluoride used for glucose testing

A

preserve glucose and prevent glycolysis

62
Q

unconsciousness that lasts longer than ___ min require additional medical assistance/911/alert emergency professionals

A

2 min

63
Q

what can be a cause of phlebitis

A

accessing one vein repeatedly

64
Q

should you stop a blood collection if you notice petechiae

A

no

65
Q

chances of petechiae increase for pts with

A

platelet abnormalities

66
Q

petechiae can result from

A

tourniquet is too tight or left on too long

67
Q

how many inversions does a light yellow SPS tube require

A

8-10

68
Q

how many inversions does a light blue tube require

A

3-4

69
Q

how may inversions do SST tubes require

A

5

70
Q

how many inversions do green tubes require

A

8-10

71
Q

how many inversions do lavender tubes require

A

8-10

72
Q

how many inversions do gray tubes require

A

8-10

73
Q

define IATROGENIC ANEMIA

A

anemia from collecting too much blood from pt by volume in given time

74
Q

define HEMATOCRIT

A

part of blood expressed by percentage by volume and consists of packaged RBCs

75
Q

what is the capillary order of draw

A
  • blood gas
  • purple/lavender/pink/pearl
  • green
  • any other additive specimens
  • serum
76
Q

using povidone-iodine during a capillary specimen collection can affect the

A

potassium levels by increasing it

77
Q

A TOURNIQUET WAS LEFT ON FOR 3 MIN WHEN DOING A POTASSIUM TEST, CBC, AND GLUCOSE TEST. WHAT IS AN EXPECTED OUTCOME

A

high potassium

78
Q

the reference range for WBC count is

A

4.4-11/mm^3

79
Q
A

CPT (8 decks)

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