Chapter 7 Flashcards

1
Q

Plastic red top tubes used to collect blood contain

A

Clot activators

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2
Q

Excess oxalate may cause

A

Hemolysis of blood specimens

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3
Q

The part of the syringe that shows measurements is

A

The barrel

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4
Q

Which test is most affected by tissue thromboplastin contamination

A

Coagulation

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5
Q

A trace element specimen tube should be collected

A

Separate or by syringe

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6
Q

Which blood specimen additive can inhibit glucose

A

NaF or sodium fluoride

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7
Q

This antiseptic is traditionally used to obtain a high degree of skin antisepsis

A

Povidone iodine

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8
Q

Which stat test is typically collected in a lithium heparin tube

A

Electrolyte panel

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9
Q

Which is most likely to hemolysis a specimen

A

25 gauge butterfly to collect from a small child

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10
Q

You are in the middle of drawing a specimen when you realize you filled an EDTA tube but still have a green top to collect

A

Draw several ML into a discard tube then fill the green

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11
Q

Which anticoagulants remove calcium by forming salts

A

Sodium citrate, EDTA, oxalate

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12
Q

Decon after glove removal is essential because

A

Hand contamination might not be visible to the naked eye

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13
Q

Tube stopper color indicates EDTA

A

Lavender

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14
Q

The purpose of sodium citrate in specimen collection is to

A

Protect coagulation factors

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15
Q

Electrolytes should never be collected in a

A

Gray top tube

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16
Q

Which department would most likely perform tests on an SPS tube

A

Microbiology

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17
Q

If using a blood pressure cuff in place of tourniquet the pressure must be

A

Below the patients diastolic pressure

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18
Q

Which additive contains a substance that inhibits phagocytosis of bacteria

A

Sodium polyanethol sulfonate SPS

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19
Q

Which is unnecessary when performing a routine puncture

A

Skin disinfectant

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20
Q

Which is one reason the ETS system is preferable

A

Exposure to blood contamination is avoided

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21
Q

Which additive is in four separate tubes with different colors

A

EDTA

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22
Q

A home care phlebotomist draws numerous tests with arm above shoulder. Which will be discarded?

A

Potassium, PT, PTT

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23
Q

Lithium heparin is a suitable anticoagulant for which test

A

Lytes

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24
Q

Needle safety devises must

A

Create a barrier between users hand and needle after use

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25
This color stopper may contain either of two forms of anticoagulant salt
Green.
26
During venipuncture the tourniquet should not be on for longer than
1 minute
27
Which stopper color is the same for two types of additives for two different departments
Yellow
28
An ETS hinder and a syringe transfer look similar but the difference is
There is a permanently attached needle with a sleeve inside the transfer device
29
Carryover from this tube has a greater potential to negatively affect the specimen from the next tube drawn
Under filled edta
30
When using a cuff it must be
Below the diastolic pressure
31
In general the anticoagulant is unable to
Inhibit glucose metabolism
32
Fewest number of tubes for a CBC and protons
Three
33
Which additive contains a substance that inhibits phagocytosis of bacteria
SPS/ sodium polyanethol sulfonate
34
Plastic red top tubes usually contain
Clot activators
35
What plays no role in deciding what size tubes
Patients allergy to antiseptics
36
Which anticoagulant is in a PST tube
Heparin
37
Identify the tubes needed to collect a PT, stat lytes, and BC in order
Yellow, light blue, PST
38
Which substance is in an SST tube
Thixotropic gel
39
What solution is used to clean the site before routine venipuncture
70% isopropyl alcohol
40
This gel separator tube contains EDTA
PPT
41
The lavender stopper tubes are most commonly used for which department
Hematology
42
Which department would most likely want an SPS tube
Microbiology
43
Clsi advises don’t use what on children under 2
Adhesive bandages
44
Which needle for autofocus blood collection
15-17
45
Which disinfectant is recommended
EPA registered sodium hypochlorite
46
Mixing equipment can result in
Improper needle fit
47
Which tube for a stat serum test
RST
48
A properly applied tourniquet should not
Restrict blood flow
49
Which additive is used to collect donor blood
CPD
50
Which solution for blood spills
EPA bleach product
51
A pink top edta tube goes to
Blood bank
52
Most chemistry tests use
Heparin
53
Criterion for needle gauge is
Size and condition of vein
54
To check for copper you need what color tube
Royal blue
55
Multi sample needles typically come in what sizes
20-22
56
Which tube stopper color indicates EDTA
Lavender
57
Which is a disinfectant
Bleach
58
What stopper color is used for coagulation testing
Light blue
59
Heparin prevents blood from clotting by
Inhibiting thrombin
60
Which tube would you use to collect DNA tests
Yellow/ACD
61
It’s important to fill oxalate tubes because
Excess causes hemolysis
62
To obtain a serum sample you need a what color tube
Red top
63
Which additive can be found in a total blue topped collection tube
EDTA
64
After a blood spill the disinfectant must have how many minutes of contact time to be effective
10