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CLINICAL CHEMISTRY > SPECIMEN COLLECTION > Flashcards

SPECIMEN COLLECTION Flashcards

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1
Q

IT AFFECTS THE VOLUME SHIFTS BETWEEN VASCULAR AND INTERSTITIAL COMPARTMENTS

A

EXERCISE

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2
Q

IT IS INCREASED DURING EXERCISE

A 
GROWTH HORMONE
PROLACTIN
TESTOSTERONE
LEUTENIZING HORMONE
LACTATE 
FATTY ACID
AMMONIA
ALT
AST
CPK
LD
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3
Q

ELEVATED IN FIST CLENCHING

A

POTASSIUM
LACTATE
PHOSPHATE

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4
Q

REQUIRED FASTING FOR GLUCOSE, LIPID, LIPOPROTEINS

A

8-16 HOURS

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5
Q

IT INCREASES AFTER 48 HOURS OF FASTING

A

SERUM BILIRUBIN

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6
Q

IT INCREASES AFTER 2 HOURS OF FASTING

A

PLASMA TAG

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7
Q

BASAL STATE COLLECTION

A

GLUCOSE
CHOLESTEROL
TAG
ELECTROLYTES

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8
Q

IT INCREASES UREA

A

HIGH PROTEIN DIET

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9
Q

MAY SHOW VARIATIONS DUE TO POSTABSORPTIVE HORMONAL EFFECTS

A

GLUCOSE, LIPIDS, AND CATECHOLAMINES

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10
Q

SEROTONIN INCREASES IN URINE EXCRETION OF

A

5-HYDROXYINDOKE ACETIC ACID

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11
Q

IT INCREASES CONCENTRATION OF GLUCOSE

A

CAFFEINE

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12
Q

WHAT DO CAFFEINE RELEASES

A

CATECHOLAMINE

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13
Q

TAG LEVELS THAT INCREASES TURBIDITY OR LACTESCENCE

A

400 MG/DL

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14
Q

BILIRUBIN LEVEL THAT COTRIBUTES TO ICTERIA

A

25.2 MG/L

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15
Q

WHAT DO ICTERIC SAMPLES INTERFERE

A

ALBUMIN
CHOLESTEROL
GLUCOSE
TOTAL PROTEIN

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16
Q

PREFFERED POSITION IN SPECIMEN COLLECTION

A

SUPINE OR UPRIGHT

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17
Q

AT LEAST HOW MINUTES DO PATIENT NEED TO BE IN SUPINE POSITION BEFORE COLLECTION

A

20 MINUTES

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18
Q

CONSTRICTION OF BLOOD AND REDUCE PLASMA VOLUME

A

SUPINE TO SITTING OR STANDING

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19
Q

INCREASED LEVELS OF ALBUMIN, ENZYMES AND CALCIUM

A

SUPINE TO STANDING OR SITTING

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20
Q

CAUSES SHIFTING OF WATER AND ELECTROLYTES INTO TISSUE CAUSING HEMOCONCENTRATION

A

SITTING TO SUPINE

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21
Q

INCREASED LEVELS OF PROTEINS, LIPIDS, BUN, IRON AND CALCIUM

A

SITTING TO SUPINE

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22
Q

CAUSES EXTRAVASCULAR WATER TO TRANSFER TO THE VASCUALR SYSTEM AND DILUTES NON DISSULFIDE PLASMA CONSTITUENTS

A

STANDING TO SUPINE

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23
Q

DECREASED LEVELS OF CHOLESTEROL, TAG AND LIPOPROTEINS

A

STANDING TO SUPINE

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24
Q

ITS SIGNIFICANT ELEVATION AFTER 30 MINUTES OF STANDING

A

POTASSIUM

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25
Q

RESULTS TO DECREASED PLASMA ALBUMIN DUE TO FLUID RETENTION

A

PROLONGED BED REST

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26
Q

INCREASED IN PROLONGED TOURNIQUET APPLICATION

A

PROTEINS (ALBUMIN), ENZYMES, LACTATE, CHOLESTEROL, POTASSIUM, AMMONIA

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27
Q

INCREASED IN NEFA CONCENTRATION

A

TOBACCO SMOKING

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28
Q

INCEASED IN CHOLESTEROL, UREA, TAG, GROWTH HORMONE, GLUCOSE, CATECHOLAMINES, CORTISOL

A

TOBACCO SMOKING

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29
Q

INCREASED:
GGT
URATE
TAG

A

ALCOHOLISM

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30
Q

CAUSES HYPOGLYCEMIA

A

ALCOHOLISM

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31
Q

IT AFFECTS ADRENAL HORMONE SECRETION

A

STRESS

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32
Q

INCREASED LEVELS OF ALBUMIN, GLUCOSE, INSULIN, LACTATE, AND CHOLESTEROL

A

STRESS

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33
Q

SPECIMEN COLLECTION SHOULD BE SCHEDULED ACCORDING TO TIME OF LAST DOSE

A

TDM

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34
Q

CAN DECREASED PLASMA SODIUM AND POTASSIUM LEVELS

A

DIURETICS

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35
Q

WHOLE BLOOD IS COMPOSED OF

A

60% PLASMA; 40% CELLS

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36
Q

FROM PATIENT’S ARTERY

OXYGENATED BLOOD

WITHOUT TOURNIQUET

A

ARTERIAL PUNCTURE

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37
Q

PREFERRED SPECIMEN FOR BLOOD GAS AND BLOOD PH

A

ARTERIAL PUNCTURE

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38
Q

SITES FOR ARTERIAL PUNCTURE

A 
RADIAL
BRACHIAL
FEMORAL
SCALP
UMBILICAL
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39
Q

SITES FOR VENIPUNCTURE

A

ANTECUBITAL FOSSA
WRIST AND DORSAL OF HANDS
ANKLE

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40
Q

IT SHOULD BE USED ONLY IF ARM VEIN ARE UNSITABLE

A

ANKLE VEIN

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41
Q

ORDER OF DRAW

A 
BLOOD CULTURE
LIGHT BLUE
SERUM TUBE
GREEN 
LAVENDER
GRAY
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42
Q

BEVEL UP ANGLE

A

15-30 DEGREES

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43
Q

BLOOD PRESSURE CUFF IS MAINTAINED AT

A

60 MMHG

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44
Q

IT IS USED FOR ETHANOL TESTING FOR CLEANSING

A

BENZALKONIUM (ZEPHIRAN CHLORIDE 1:750)

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45
Q

RELATIONSHIP OF GAUGE AND SIZE OF NEEDLE

A

INVERSELY PROPORTIONAL

46
Q

NEEDLE LENGTH

A

1-1.5 INCH

47
Q

IT INDICATES GAUGE OF NEEDLE

A

COLOR

48
Q

TRAUMATIC DRAW CAN INCREASE

A

CK
MYOGLOBIN
POTASSIUM

49
Q

THE INITIAL SAMPLE TO BE DISCARDED IN IV THERAPY

A

5ML

50
Q

IT WILL INCREASE GLUCOSE IN >500MG/DL

A

10% CONTAMINATION

5% DEXTROSE

51
Q

IT IS COLLECTED AFTER 3 DAY DIET FROM PERIPHERAL VEIN

A

RENIN BLOOD LEVEL

52
Q

BASAL STATE COLLECTION REQUIREMENT

A

EARLY MORNING

12 HOURS FASTING

53
Q

IT IS AN INCREASE IN NUMBER OF FORMED ELEMENTS IN BLOOD

A

HEMOCONCENTRATION

54
Q

CAUSES OF FAILURE OF BLOOD TO ENTER

A 
EXCESSIVE PULL TO PLUNGER
PIERCING OTHER VEIN
TRANSFIXATION OF VEIN
INCORRECT BEVEL
ABSENCE OF VACUUM
55
Q

TRANSIENT LOSS OF CONSCIOUSNESS DUE TO LACK OF OXYGEN IN THE BRAIN

A

SYNCOPE (FAINTING)

56
Q

IMMEDIATE CTION AFTER FAINTING

A

REMOVE NEEDLE IMMEDIATELY
LOWER HEAD BETWEEN LEGS
DEEP BREATHLY

57
Q

ABNORMAL VASCULAR CONDITION THROMBUS DEVELOPS WITHIN BLOOD VESSEL

A

THROMBOSIS

58
Q

INFLAMMATION OF VEIN ACCOMPANIED BY CLOT

A

THROMBOPLEBITIS

59
Q

PREFFERED LENGTH OF LANCET

A

1.75MM

60
Q

DEPTH OF INCISION FOR INFANTS AND ADULTS

A

<2.0 AND <2.5 MM

61
Q

SKIN TO BONE DISTANCE IN SKIN PUNCTURE

A

1.5-2.4MM

62
Q

PREFFERED SITE FOR INFANTS

A

LATERAL SURFACE OF TEH FOOT

63
Q

SITES NOT PREFFERED FOR SKIN PUNCTURE

A 
CENTRAL ARCH OF HEEL
FINGERS OF <1 YEAR OLD
THUMB
INDEX AND 5TH FINGERS
FINGERS ON SIDE OF MASECTOMY
64
Q

ORDER OF FILLING MICROCOLLECTION TUBES

A

EDTA
ADDITIVES
NON-ADDITIVES

65
Q

USED FOR BLOOD GAS ANALYSIS, PH, PCO2

A

ARTERIALIZED CAPILLARY BLOOD

66
Q

PREFFERED SITE FOR ARTERIALIZED CAPILLARY BLOOD

A

EARLOBE

67
Q

WHY IS EARLOBE A PREFFERED SITE FOR ACB

A

VASCULARITY
LOW METABOLIC REQUIREMENTS
EASE

68
Q

MOST COMMONLY USED SITE FOR ACB

A

LATERAL PLANTAR HEEL SURFACE

69
Q

WATER TEMPERATURE FOR ACB

A

39-45C

70
Q

TUBES USED FOR ACB

A

2 HEPARINIZED TUBE

71
Q

CAPILLARY ARTERIALIZATION SHOULD NOT BE DONE IF

A

BP <95MMHG

72
Q

IT IS A MINUTE METAL FILLING INSERTED BEFORE COLLECTING BLOOD TO HELP MIX THE SPECIMEN WHILE BLOOD IS ENTERING THE TUBE

A

FLEA

73
Q

USED TO DRAW FLEA BACK AND FORTH

A

MAGNET

74
Q

BEST SITE FOR BLOOD GAS ANALYSIS FOR NEWBORN

A

INDWELLING UMBILICAL ARTERY

75
Q

SEPARATION TIME OF PLASMA AND SERUM

A

1 HOUR

76
Q

ALLOWABLE CLOTTING TIME

A

30 MINUTES

77
Q

CENTRIFUGATION REQUIREMENT FOR BLOOD

A

1000-3000 RCF FOR 10 MINUTES

78
Q

PREVENTS GLYCOLYTIC ENZYMES

A

2MG NAF/ML OF BLOOD

79
Q

IT IS NOT NECESSARY IF PLASMA AND SERUM ARE SEPARATED

A

FLUORIDE TUBE

80
Q

BILIRUBIN IS UNSTABLE AFTER

A

30 MINUTES

81
Q

ENZYMES THAT WILL INCREASE DURING HEMOLYSIS

A

ACP, ALT, AST, LD

82
Q

ELECTROLYTES THAT WILL INCREASE IN HEMOLYSIS

A

MAGNESIUM, POTASSIUM, PHOSPHORUS

83
Q

20 MG/DL OF HEMOGLOBIN INDICATES

A

VIASUAL HEMOLYSIS

84
Q

5% HEMOLYSIS WILL INDICATE

A

ELEVATED POTASSIUM (98-99% OF K IN RBC)

85
Q

SHOULD BE AVOIDED IN TUBE THAT MAY CAUSE HEMOLYSIS AND AEROSOL INFECTION

A

RIMMING

86
Q

CAN CAUSE SLIGHT DILUTIONAL EFFECT ON LOWER CONCENTRATION IN RBC THAN PLASMA

A

SEVERE HEMOLYSIS

87
Q

EXCESSIVE CENTRIFUGATION MAY CAUSE

A

LYSIS

SLIGHT ELEVATION OF LD AND POTASSIUM

88
Q

INCREASE IN PLASMA PROTEINS, BILIRUBIN, LD, AND POTASSIUM

DECREASE IN SODIUM AND CHLORIDE

A

WHOLE BLOOD OR PLASMA TRANSFUSION

89
Q

ARE AFFECTED BY EVAPORATION

A

ELECTROLYTES

90
Q

MAY CAUSE DISRUPTION TO STRUCTURE OF LARGE PROTEIN

A

ICE CRYSTALS

91
Q

IT MEASURES TEH SPEED OF CENTRIFUGATION

A

TACHOMETER

92
Q

AFFECTED BY LOW TEMPERATURE STORAGE

A

DECREASED LDH 4 AND 5

INCREASE ALP

93
Q

SPECIMENS TAHT REQUIRE CHILLING

A

AMMONIA, BLOOD GAS, CATECHOLAMINE, GASTRIN, LACTIC ACID, RENIN, PTH, PYRUVATE

94
Q

PHOTOSENSITIVE ANALYTES

A

BILIRUBIN, BETA CAROTENE, FOLATE, PORPHYRINS, VITAMINS A AND B6

95
Q

IT WILL BECOME CARBINATE IF HIGHER THAN 8

A

OXALATE

96
Q

COMBINES WITH CALCIUM TO FORM INSOLUBLE SALT

A

OXALATE

97
Q

INTERFERES WITH SODIUM, POTASSIUM AND BUN

A

OXALATE

FLUORIDE

98
Q

COMBINES WITH CALCIUM IN NON IONIZED FORM

A

CITRATE

99
Q

IT USES IN CEA, TDM AND LEAD TESTING

A

EDTA

100
Q

DISODIUM FORM, CRYSTAL

A

VERSENE

101
Q

DIPOTASSIUM, LIQUID

A

SEQUESTRENE

102
Q

HAS ANTIGLYCOLYTIC AGENT

A

FLUORIDE

103
Q

IDEAL UNIVERSAL ANTICOAGULANT

A

FACTOR X

104
Q

HEPARIN AVAILABLE AT

A

SODIUM, LITHIUM, POTASSIUM AND AMMONIUM SALTS

105
Q

IT IS USED FOR GLUCOSE, BUN, IONIZED CALCIUM, ELECTROLYTE STUDIES AND CREATININE

A

LITHIUM HEPARIN

106
Q

NUMBER 1 ENZYME ACTIVATOR

A

CALCIUM

107
Q

ANTICOAGULANT FOR POTASSIUM

A

HEPARINIZED PLASMA

108
Q

CAN ALSO BE USED FOR LACTATE AND ALCOHOL DETERMINATION

A

GRAY TOP

109
Q

HAS SPECIFIC GRAVITY BETWEEN BLOOD CLOT AND SERUM

MOVES UPWARD TO SERUM-CLOT INTERFACE

A

POLYMER BARRIER

110
Q

RESPINNING OF GEL TUBE CAUSES

A

INCREASE POTASSIUM

111
Q

PREFFERED ANTICOAGULANTS FOR MICROCOLLECTION TUBES

A

LITHIUM AND AMMONIUM SALTS OF HEPARIN

CLINICAL CHEMISTRY (6 decks)

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