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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

A

additives

25
Q

the fluid portion of blood that remains after clotting

A

serum

26
Q

fluid portion of blood including the fibrogen and other clotting factors

A

plasma

27
Q

any tube containing an additive must be inverted and mixed well immediately after removal from the adapter

most tubes need __-__ inversions

A

5-8

28
Q

many tubes are coated with _____ to prevent blood from adhering to the wall and to slow clotting

A

silicone

29
Q

prevents blood from clotting

A

anticoagulants

30
Q

EDTA, citrate, and oxalate prevent clotting by binding ____

A

calcium

31
Q

heparin prevents clotting by preventing the conversion of prothrombin to ____

A

thrombin

32
Q

_____ directly increases clotting

A

thrombin

33
Q

_____ is used for stat serum chemistry determinations or if the patient is on anticoagulants

A

thrombin

34
Q

an inert, synthetic substance whose density is between that of cells of blood serum and plasma

A

polymer gel

35
Q

____ __ prevents contamination and becomes a liquid when centrifuged –> moves between the lower cell layer and the upper serum/plasma layer

A

polymer gel

36
Q

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?

A

yellow sterile

37
Q

tests - coagulation tests, prothrombin time (PT)

additive - sodium citrate (anticoagulant)
9:1 blood:Na citrate

specimen - plasma

Which color is this tube?

A

light blue

38
Q

tests - chemistry, serology, blood bank

additive - clot activators in plastic, nothing in glass

specimen - serum (after centrifuge)

Which color is this tube?

A

red (plastic or glass)

39
Q

tests - complete blood count (CBC), sedimentation rate, routine immunohematology

additive - EDTA (anticoagulant)

specimen - whole blood

Which color is this tube?

A

lavender

40
Q

tests - viral loads

additives - polymer gel with EDTA

specimen - plasma

Which color is this tube?

A

white

41
Q

tests - most chemistry tests

additives - clot activator/polymer gel (SST)

specimen - serum

Which color is this tube?

A

gold or red-gray

42
Q

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?

A

gray

43
Q

tests - sedimentation rate

additive - buffered sodium citrate

specimen - whole blood

Which color is this tube?

A

black

44
Q

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?

A

green

45
Q

tests - stat and routine chemistry tests

additive - heparin/polymer gel

specimen - plasma

Which color is this tube?

A

light green or green-gray (camo)

46
Q

tests - stat chemistry

additive - thrombin

specimen - serum

Which color is this tube?

A

orange or yellow-gray

47
Q

tests - toxicology, trace metals, nutritional analysis

additive - heparin, EDTA, or none

specimen - plasma or serum

Which color is this tube?

A

royal blue

48
Q

tests - lead analysis

additive - heparin

specimen - plasma

Which color is this tube?

A

tan

49
Q

tests - human leukocyte antigen (HLA) studies

additive - acid citrate and dextrose

specimen - whole blood

Which color is this tube?

A

yellow nonsterile

50
Q

tests - blood bank compatibility test

additive - K2 EDTA

specimen - whole blood or plasma

Which color is this tube?

A

pink

51
Q

Order of Draw

A 
Blood Culture Tubes
light blue
red
gold (or red-gray)
light green
dark green
lavender
gray
yellow
52
Q

Mnemonic for order of draw

A

Boys Love Ravishing Girls Like Dieters Love Greek Yogurt

53
Q

a used needle is considered _____ ___

A

biohazardous waste

54
Q

underfilled sodium citrate tubes will result in ____ results due to excess anticoagulant

A

erroneous

55
Q

shaking a blood tube results in ____

A

hemolysis

56
Q

an antiseptic should be in contact with the skin for ___-___ seconds

A

30-60

57
Q

____ is the anticoagulant used for blood gas determinations

A

heparin

58
Q

anticoagulant EDTA works by binding ____, which is needed to clot blood

A

calcium

Phlebotomy Class 2022 (11 decks)

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