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Phlebotomy Class 2022 > Ch 10 - Venipuncture Equipment > Flashcards

Ch 10 - Venipuncture Equipment Flashcards

1
Q

10% ___ solution works well as a disinfectant

A

bleach

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2
Q

a ____ is the most common way to locate and vein and makes the veins bulge

A

tourniquet

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3
Q

the most commonly used antiseptic is ___________

A

70% isopropyl alcohol

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4
Q

inhibits the growth or reproduction of bacteria but doesn’t kill them

A

bacteriostatic

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5
Q

isopropyl alcohol is _____

A

bacteriostatic

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6
Q

sharp needle provides smooth entry into skin with minimum amount of pain

What part of the needle is this?

A

point

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7
Q

angle of the needle, eases the shaft into the skin

A

bevel

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8
Q

diameter of the needle’s lumen

A

gauge

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9
Q

hollow part of the needle

A

lumen

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10
Q

the larger the number of the needle size, the ___ the lumen

A

smaller

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11
Q

needle attaches to the collection tube or syringe at its ___

A

hub

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12
Q

18 gauge is ____ color

A

pink

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13
Q

20 G is ___ color

A

yellow

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14
Q

21 G is ____ color

A

green

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15
Q

22 G is ____ color

A

black

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16
Q

while one tip of the needle penetrates the skin, the other tip pierces the rubber cap of an evacuated collection tube

a retractable rubber sleeve covers the second tip when not inserted into the tube

Which type of needle does this describe?

A

multisample needle

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17
Q

What type of tool provides a controlled, gentle vacuum for fragile veins?

A

safety syringe needles

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18
Q

a syringe needle is also called a ____ needle

A

hypodermic

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19
Q

What type of tool is used for venipuncture on small veins, especially hand veins or elderly/pediatric patients?

A

butterflies

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20
Q

What is the most common butterfly needle size?

A

23 G 3/4 inch

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21
Q

____ issued a directive in Nov 2000 that stressed the use of safety devices to help decrease the number of sharps injuries

A

OHSA

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22
Q

Which type of needle is most commonly used for blood collections?

A

multisample needle

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23
Q

each type of collection tube may contain different sets of ____

A

additives

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24
Q

chemicals designed to promote or prevent certain changes to the blood sample inside the vacutainer

25
the fluid portion of blood that remains after clotting
serum
26
fluid portion of blood including the fibrogen and other clotting factors
plasma
27
any tube containing an additive must be inverted and mixed well immediately after removal from the adapter most tubes need __-__ inversions
5-8
28
many tubes are coated with _____ to prevent blood from adhering to the wall and to slow clotting
silicone
29
prevents blood from clotting
anticoagulants
30
EDTA, citrate, and oxalate prevent clotting by binding ____
calcium
31
heparin prevents clotting by preventing the conversion of prothrombin to ____
thrombin
32
_____ directly increases clotting
thrombin
33
_____ is used for stat serum chemistry determinations or if the patient is on anticoagulants
thrombin
34
an inert, synthetic substance whose density is between that of cells of blood serum and plasma
polymer gel
35
____ __ prevents contamination and becomes a liquid when centrifuged --> moves between the lower cell layer and the upper serum/plasma layer
polymer gel
36
additive - sodium polyanethanolesulfonate (SPS) to inhibit complement and phagocytosis specimen - whole blood tests - use this tube to recover microorganisms causing blood infection Which color is this tube?
yellow sterile
37
tests - coagulation tests, prothrombin time (PT) additive - sodium citrate (anticoagulant) 9:1 blood:Na citrate specimen - plasma Which color is this tube?
light blue
38
tests - chemistry, serology, blood bank additive - clot activators in plastic, nothing in glass specimen - serum (after centrifuge) Which color is this tube?
red (plastic or glass)
39
tests - complete blood count (CBC), sedimentation rate, routine immunohematology additive - EDTA (anticoagulant) specimen - whole blood Which color is this tube?
lavender
40
tests - viral loads additives - polymer gel with EDTA specimen - plasma Which color is this tube?
white
41
tests - most chemistry tests additives - clot activator/polymer gel (SST) specimen - serum Which color is this tube?
gold or red-gray
42
tests - lactic acid measurement, glucose tolerance test, fasting blood sugar (FBS), blood alcohol levels additive - antiglycolytic agent (iodoacetate or sodium fluoride) that preserves glucose, or perhaps the anticoagulant potassium oxalate or heparin specimen - plasma Which color is this tube?
gray
43
tests - sedimentation rate additive - buffered sodium citrate specimen - whole blood Which color is this tube?
black
44
tests - stat and routine chemistry tests, ammonia, electrolytes, arterial blood gases (ABGs) additive - sodium heparin, lithium heparin, or ammonium heparin specimen - plasma Which color is this tube?
green
45
tests - stat and routine chemistry tests additive - heparin/polymer gel specimen - plasma Which color is this tube?
light green or green-gray (camo)
46
tests - stat chemistry additive - thrombin specimen - serum Which color is this tube?
orange or yellow-gray
47
tests - toxicology, trace metals, nutritional analysis additive - heparin, EDTA, or none specimen - plasma or serum Which color is this tube?
royal blue
48
tests - lead analysis additive - heparin specimen - plasma Which color is this tube?
tan
49
tests - human leukocyte antigen (HLA) studies additive - acid citrate and dextrose specimen - whole blood Which color is this tube?
yellow nonsterile
50
tests - blood bank compatibility test additive - K2 EDTA specimen - whole blood or plasma Which color is this tube?
pink
51
Order of Draw
``` Blood Culture Tubes light blue red gold (or red-gray) light green dark green lavender gray yellow ```
52
Mnemonic for order of draw
Boys Love Ravishing Girls Like Dieters Love Greek Yogurt
53
a used needle is considered _____ ___
biohazardous waste
54
underfilled sodium citrate tubes will result in ____ results due to excess anticoagulant
erroneous
55
shaking a blood tube results in ____
hemolysis
56
an antiseptic should be in contact with the skin for ___-___ seconds
30-60
57
____ is the anticoagulant used for blood gas determinations
heparin
58
anticoagulant EDTA works by binding ____, which is needed to clot blood
calcium

Phlebotomy Class 2022 (11 decks)

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