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Clinchem > Specimen Collection > Flashcards

Specimen Collection Flashcards

1
Q

An act of obtaining a blood sample from a vein using a needle attached to a syringe, a common way to collect blood specimens

A

Venipuncture

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2
Q

The major veins for venipuncture are found in the _____

A

Antecubital fossa

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3
Q

The 3 patterns that can be found in the H Pattern

A

Median Cubital, Cephalic, Basilic Vein

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4
Q

Collecting blood sample on foot veins does not require permission. T/F

A

false

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5
Q

A clear, pale, yellow fluid, separated from a clotted blood

A

Serum

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6
Q

separates from the cells when blood in an anticoagulant tube is centrifuged

A

Plasma

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7
Q

contains both cells and plasma

A

Whole blood

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8
Q

The preferred method of venipuncture

A

ETS

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9
Q

A method of venipuncture and was discouraged by CLSI

A

Needle and syringe

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10
Q

Can be used with ETS or syringe, used for pedia and in difficult-draw situations

A

Butterfly set

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11
Q

Measurement of a tourniquet

A

15 inches long x 1 inch wide

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12
Q

Torniquet restricts what type of blood?

A

Venous blood

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13
Q

Torniquet must not be left no longer than _____

A

1 minute

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14
Q

Needle gauge: routine

A

21 gauge

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15
Q

Needle gauge for pedia

A

23 gauge

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16
Q

Needle gauge for butterfly system

A

23 gauge

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17
Q

A handheld medical device that visualizes veins before phlebotomy

A

Accuvein

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18
Q

Accuvein uses what type of light?

A

Infrared light

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19
Q

What test is used to monitor the patient’s Heparin?

A

APTT

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20
Q

What test is used to monitor patients’ Warfarin?

A

PT

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21
Q

An alternative anti-glycolytic agent

A

Iodoacetate

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22
Q

Tube/Additive used for PBS

A

Lavender (K3EDTA)

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23
Q

Sprayed-form EDTA

A

K2EDTA

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24
Q

Liquid form EDTA

A

K3EDTA

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25
Q

EDTA preferred for CBC

A

K2EDTA

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26
Q

2 concentrations of Sodium Citrate

A

3.2 % (preferred)
3.8 %

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27
Q

Tube for Coag studies

A

Light blue/ Sodium Citrate

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28
Q

Blood to Ag ratio of Sodium Citrate (3.2%)

A

9:1

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29
Q

Blood:Ag ratio for Sodium Citrate 3.8%

A

4:1

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30
Q

Light blue inversion

A

4 inversions

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31
Q

Tube for ESR

A

BLack

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32
Q

INhibits thrombin formtation

A

Green top tube

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33
Q

Tube used for toxicology

A

Royal blue

34
Q

Tube color used for glucose testing

A

Gray top

35
Q

Gray top tube anticoagulant

A

Potassium oxalate

36
Q

Gray top tube antiglycolytic factor

A

Sodium flouride

37
Q

Tube color used for culture

A

Yellow top tube

38
Q

Additive of Yellow top tube

A

SPS

39
Q

Yellow top tube used for Blood Banking additive

A

ACD

40
Q

Tube used for lead testing

A

Tan top tube

41
Q

Tube used for HLA phenotyping

A

Yello top tube

42
Q

Tube used for molecular diagnostics

A

Pink top tube

43
Q

Additive of white top tube

A

EDTA and Gel

44
Q

Additive of Red top tube (glass)

A

none

45
Q

CLSI Order of Draw

A

Y
B
R
G
L
G
B

46
Q

The length of a feather lancet should be less than ______

A

2 mm

47
Q

Sites of a capillary puncture

A

Earlobe
Palmar surface of 3rd & 4th finger
Lateral plantar heel surface

48
Q

Capillary order of draw

A

Blood Gas
Slides
Edta
Other specimens
Serum

49
Q

Puncture used for blood gas analysis and pH measurements

A

Arterial puncture

50
Q

Anticoagulant used for Arterial puncture

A

Heparin

51
Q

Arterial should be collected without a torniquet. T/F

A

T

52
Q

Test done to determine whether the ulnar artery can provide collateral circulation to the hand after the radial artery puncture

A

Modified Allen Test

53
Q

Increased ACTH that causes increased cortisol levels

A

Cushing disease

54
Q

array of signs and symptoms due to high cortisol levels

A

Cushing Syndrome

55
Q

1st to increase when stressed

A

Catecholamines

56
Q

Hormone that increases during afternoon and evening

A

Growth hormone
ACP

57
Q

Tests that require Fasting

A

G A L I T si G F

58
Q

Tests that require immediate cooling

A

L A B

59
Q

Specimens should be delivered to the lab within _______ of collection

A

45 minutes

60
Q

Specimens should be centrifuged within ____ hour of arrival

A

1 hour

61
Q

The maximum time limit for serum/plasma separation is ____ after collection

A

2 hours

62
Q

STAT is a medical term meaning “_____”

A

immediately

63
Q

“Immediately” is from a latin word “_______”

A

“Statim”

64
Q

An analytical patient-testing activity provided within the institution , but performed outside the physical facililties of the clin lab

A

POCT

65
Q

The highest volume POC test in most health care institutions

A

POC Glucose

66
Q

sample used to assess the fetal lung maturity ratio

A

Amniotic fluid

67
Q

A type of Reagent grade that is suitable for use

A

Analytic REagent

68
Q

Reagent grade used to manufacture drugs

A

United States Pharmacopeia (USP)/National Formulary (NF)

69
Q

a highly purified chemical (A reference material) that can be measured directly to produce a substance of exact known concentration and purity

A

Primary standard

70
Q

The type of water having the most suitable for routine laboratory use

A

Type 1 water

71
Q

A type of pipette that does not dispense the exact volume

A

To contain pipette

72
Q

A type of pipette that does dispense the exact volume

A

TD pipette

73
Q

A type of pipette that allows the contents of the pipette to drain from gravity

A

Self-draining

74
Q

The most routinely used pipet

A

Automatic macropipets

75
Q

A type of centrifuge that allows the tubes to attain a horizontal position when spinning

A

Horizontal or Swinging bucket

76
Q

The horizontal centrifuge can attain speeds up to ____ rpm

A

3000

77
Q

Centrifuge that have angled compartments

A

Fixed-angle centrifuge

78
Q

High-speed centrifuges used to separate layers of different SG

A

Ultracentrifugation

79
Q

High-speed centrifuges used to separate layers of different SG

A

Unltracentrifugation

80
Q

The reference method for lipoprotein quantitation

A

Ultracentrifuge

Clinchem (12 decks)

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