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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
orange tubes are used for
state chemistry determination
26
what is it called when a gel separator is in a serum tube
serum separator tube (SST)
27
what is it called when the gel separator is in a plasma tube
plasma separator tube (PST)
28
what is the purpose of gel separator
assist in the processing of the blood after tube is centrifuged
29
what are the most common syringe sizes used when drawing blood with the syringe method
10-20 mL
30
what needles are used for syringe blood draw
same as evacuated (21-23 G and 1-1 1/2 in long)
31
how long is a butterfly needle
3/4 inch
32
expiry dates should be checked on
tubes and needles
33
should you collect blood from a site that has a tatoo
no
34
where should blood be drawn if there is an IV
- below the IV site with the IVs off - use the opposite arm
35
which should be used the first, hand or basilic vein
hand
36
the tourniquet should be ___above the site
3-4 inches
37
define HEMOCONCENTRATION
excessive accumulation of blood into area of body from tourniquet or pumping fist
38
what can be used if a tourniquet is not available
BP cuff inflated to 40
39
what are some replacements for alcohol to cleanse the skin
chlorhexidine gluconate and povidone-iodine
40
should you use a alcohol wipe to prep the site when you are testing BAC
no
41
what should be used to prep the site for blood culture collection
- povidone-iodine - chlorhexidine gluconate - alcohol and povidone combination
42
the proper angle for a dorsal hand blood collection is
10
43
define TRANSFIX
puncture thru both sides of the vein causing failed collection
44
what comes first when collecting blood culture, aerobic or anaerobic
- anaerobic first if with a syringe - aerobic first if using butterfly
45
what is the order of draw
- 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
yellow stopper tubes with SPS are used for
bacterial studies
47
serum tubes need to be allowed to clot for ___ before centrifugation
30 min
48
what are some common blood chemistry tests
- electrolytes - kidney function test/renal panel - liver function - basic metabolic panel - comprehensive metabolic panel
49
serum tubes are often colored
- red - gold - tiger - red and black
50
orange tubes are RST. what does RST mean
rapid serum tubes
51
when are orange tubes
stat serum tube for blood chemistry
52
how long does orange tubes need to clot
5 min
53
what are common hematology tests
CBC, RBC, WBC, Hematocrit, platelet, hemoglobin, PT, PTT, INR
54
green tubes are used for
- test blood serum - stat blood chemistry
55
pink stopper tubes have
EDTA
56
pink stopper tubes are used for
blood bank collections
57
royal blue tubes can have
EDTA, sodium citrate, heparin, or serum
58
what should be done before drawing blood for a light blue tube
fill a clear discard tube
59
why is EDTA used for hematology tests
help preserve shape of cells and reduce platelet clumping
60
why is heparin used for most chemistry tests
prevent blood clots from causing falsely elevated results
61
why is potassium oxalate/sodium fluoride used for glucose testing
preserve glucose and prevent glycolysis
62
unconsciousness that lasts longer than ___ min require additional medical assistance/911/alert emergency professionals
2 min
63
what can be a cause of phlebitis
accessing one vein repeatedly
64
should you stop a blood collection if you notice petechiae
no
65
chances of petechiae increase for pts with
platelet abnormalities
66
petechiae can result from
tourniquet is too tight or left on too long
67
how many inversions does a light yellow SPS tube require
8-10
68
how many inversions does a light blue tube require
3-4
69
how may inversions do SST tubes require
5
70
how many inversions do green tubes require
8-10
71
how many inversions do lavender tubes require
8-10
72
how many inversions do gray tubes require
8-10
73
define IATROGENIC ANEMIA
anemia from collecting too much blood from pt by volume in given time
74
define HEMATOCRIT
part of blood expressed by percentage by volume and consists of packaged RBCs
75
what is the capillary order of draw
- blood gas - purple/lavender/pink/pearl - green - any other additive specimens - serum
76
using povidone-iodine during a capillary specimen collection can affect the
potassium levels by increasing it
77
A TOURNIQUET WAS LEFT ON FOR 3 MIN WHEN DOING A POTASSIUM TEST, CBC, AND GLUCOSE TEST. WHAT IS AN EXPECTED OUTCOME
high potassium
78
the reference range for WBC count is
4.4-11/mm^3
79

CPT (8 decks)

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