QUALITY CONTROL

Question 1

CLINICAL COMES FROM THE GREEK WORD “KLINE” WHICH MEANS?

Answer 1

BED

Question 2

SEVEN INDEPENDENT BASE UNITS REPRESENTED BY A SYMBOL

Answer 2

SYSTEME INTERNATIONALE

Question 3

3 CLASSES OF SI UNITS

Answer 3

1. BASE
2. DERIVE
3. SUPPLEMENTAL

Question 4

RECOMMENDED UNIT FOR REPORTING OF ANALYTES

Answer 4

MOLES OF SOLUTE/ VOLUME OF SOLUTION (MOLARITY)

Question 5

IT IS RETAINED FOR MEASUREMENT OF HYDROGEN ION CONCENTRATIONS

Answer 5

PH SCALE

Question 6

A SYSTEM THAT ENSURES THE ACCURACY AND PRECISION IN THE LABORATORY

Answer 6

QUALITY CONTROL

Question 7

PROCESS OF ENSURING ANALYTICAL RESULTS ARE CORRECT BY TESTING KNOWN SAMPLES THAT RESEMBLE PATIENT SAMPLES

Answer 7

QUALITY CONTROL

Question 8

ABILITY TO MEASURE THE SMALLEST CONCENTRATION OF INTEREST

Answer 8

SENSITIVITY

Question 9

ABILITY TO MEASURE ONLY ANALYTE OF INTEREST

Answer 9

SPECIFICITY

Question 10

NEARNESS OR CLOSENESS OF VALUE

Answer 10

ACCURACY

Question 11

METHOD TO GIVE REPEATED RESULTS

Answer 11

PRECISION

Question 12

DEGREE OF METHOD THAT IS EASILY REPEATED

Answer 12

PRACTICABILITY

Question 13

MAINTAIN ACCURACY AND PRECISION DURING ANY CHANGES

Answer 13

RELIABILITY

Question 14

TO TEST THOSE WHO HAVE DISEASE AD TEST POSITIVE

Answer 14

DIAGNOSTIC SENSITIVITY

Question 15

TO TEST THOSE WHO HAVE NOT DISEASE THAT TEST NEGATIVE

Answer 15

DIAGNOSTIC SPECIFICITY

Question 16

KINDS OF QUALITY CONTROL

Answer 16

1. INTRALAB

2. INTERLAB

Question 17

IT INVOLVES CONTROLS WITH PATIENT SAMPLES

Answer 17

INTRALAB

Question 18

DETECTS CHANGES BETWEEN PRESENT AND STABLE OPERATION

Answer 18

INTRALAB

Question 19

IT IS IMPORTANT FOR DAILY MONITORING OF ACCURACY AND PRECISION

Answer 19

INTRALAB

Question 20

DETECTS BOTH RANDOM AND SYSTEMATIC ERROR

Answer 20

INTRALAB

Question 21

INVOLVES PROFICIENCY TESTING WITH UNKNOWN CONCENTATION

Answer 21

INTERLAB

Question 22

IT IS IMPORTANT FOR LONG TERM ACCURACY OF ANALYTICAL METHODS

Answer 22

INTERLAB

Question 23

IT INDICATES THAT THE LABORATORY IS NOT IN AGREEMENT WITH THE REST OF LABORATORIES WITHIN THE PROGRAM

Answer 23

DIFFERENCE >2

Question 24

OBJECTIVES OF QUALITY CONTROL

Answer 24

1. STABILITY OF MACHINE
2. QUALITY OF REAGENTS
3. TECHNICAL ERROR

Question 25

IDEAL QC MATERIAL

Answer 25

1. RESEMBLES HUMAN SAMPLE 2. INEXPENSIVE AND STABLE 3. NO COMMUNICABLE DISEASES 4. NO MATRIX EFFECTS 5. WITH KNOWN ANALYTE 6. CONVENIENT PACKAGING

Question 26

RECOMMENDED NUMBER OF DAYS TO ANALYZE NEW LOT OR NEW INSTRUMENTS

Answer 26

5 AND 20 DAYS

Question 27

IT IS CALCULATED FROM THE MEAN AND SD

Answer 27

CONTROL LIMITS

Question 28

BOVNE-BASED QC MATERIAL ARE NOT FOR

Answer 28

BILIRUBIN IMMUNOCHEMISTRY DYE-BINDING

Question 29

IT IS A RESULT OF IMPROPER PRODUCT MANUFACTURING

Answer 29

MATRIX EFFECT

Question 30

THIS IS MORE EXPENSIVE BUT CAN BE USED AS EXTERNAL CHECKS FOR ACCURACY

Answer 30

ASSAYED CONTROLS

Question 31

IT IS PRESENT IN ALL MEASUREMENTS DUE TO CHANCE

Answer 31

RANDOM ERROR

Question 32

- BOTH POSITIVE AND NEGATIVE | - BASIS FOR VARYING DIFFERENCES BETWEEN REPEATED MEASUREMENTS

Answer 32

RANDOM ERROR

Question 33

ERROR TAHT INFLUENCES OBSERVATIONS IN ONE DIRECTION CONSISTENTLY

Answer 33

SYSTEMATIC ERROR

Question 34

- EITHER POSITIVE OR NEGATIVE BIAS | - MEASURE OF AGREEMENT BETWEEN MEASURED QUANTITY AND TRUE VALUE

Answer 34

SYSTEMATIC ERROR

Question 35

DIFFERENCE BETWEEN TARGET VALUE AND ASSAY VALUE INDEPENDENT SAMPLE CONCENTRATION

Answer 35

CONSTANT ERROR

Question 36

CONSTANT DIFFERENCE BETWEEN COMPARATIVE AND TEST METHOD REGARDLESS OF CONCENTRATION

Answer 36

CONSTANT ERROR

Question 37

GREATER DEVIATION FROM TARGET VALUE DUE TO HIGHER SAMPLE

Answer 37

PROPORTIONAL/SLOPE/PERCENT ERROR

Question 38

TEST METHOD AND COMPARATIVE METHOD ARE PROPORTIONAL TO ANALYTE CONCENTRATION

Answer 38

PROPORTIONAL/SLOPE/PERCENT

Question 39

HIGHEST FREQUENCY OF CLERICAL ERROR

Answer 39

HANDWRITTEN LABELS AND REQUEST FORMS

Question 40

IT IS THE FIRST STEP IN METHOD EVALUATION THAT ESITIMATES RANDOM STUDY

Answer 40

PRECISION STUDY

Question 41

NONLAB PERSONNEL WERE RESPONSIBLE FOR ___ OF THE ERRORS IN LAB RESULTS

Answer 41

29%

Question 42

ASSOCIATED WITH NORMAL OR SYMMETRICAL DISTRIBUTION

Answer 42

MEANS

Question 43

AN INDEX OF PRECISION

Answer 43

COEFFICIENT OF VARIATION

Question 44

IT IS A MEASURE OF VARIABILITY

Answer 44

VARIANCE

Question 45

ARE USED TO COMPARE THE MEANS OR SD OF 2 GROUPS

Answer 45

INFERENTIAL STATISTICS

Question 46

DETERMINE THE DIFFERENCE BETWEEN MEANS OF 2 GROUPS

Answer 46

T-TEST

Question 47

DETERMINE THE DIFFERENCE BETWEEN SD OF 2 GROUPS

Answer 47

F-TEST

Question 48

DIFFERENCE BETWEEN DATA POINT AND MEAN DIVIDED BY SD

Answer 48

STANDARD DEVIATION INDEX

Question 49

CHART ACCURATELY DESCRIBED BY SD AND MEAN

Answer 49

GAUSSIAN CURVE

Question 50

CHART: - MULTIPLE ANALYSES - CLOSE TO MEAN - FOCUSES ON DISTRIBUTION OF ERRORS

Answer 50

GAUSSIAN CURVE

Question 51

IT CALCULATES BETWEEN QC RESULTS AND TARGET MEANS

Answer 51

CUMULATIVE GRAPH/CUSUM

Question 52

CHART - IDENTIFIES CONSISTENT BIAS PROBLEMS - EARLIEST INDICATION OF SYSTEMATIC ERRORS - 1(3S) RULE

Answer 52

CUSUM GRAPH

Question 53

IN CUSUM GRAPH RESULTS ARE OUT OF CONTROL WHEN

Answer 53

SLOPE >45 | >2. SD

Question 54

CHART | - TO COMPARE RESULTS ON HIGH AND LOW CONTROL

Answer 54

YOUDEN/TWIN PLOT

Question 55

POINTS FALLING FROM CENTER BUT WITHIN 45 DEGREE LINE

Answer 55

PROPORTIONAL ERROR

Question 56

POINTS FALLING FROM CENTER BUT NON ON 45 DEGREE LINE

Answer 56

CONSTANT ERROR

Question 57

MOST WIDELY USED SYSTEM IN LABORATORY

Answer 57

LJ CHART

Question 58

- MULTIPLE RULES | - GRAPHIC REPRESENTATION OF ACCEPTABLE LIMITS OF VARIATION

Answer 58

LJ CHART

Question 59

- CONTROL VALUES EITHER INCREASE OR DECREASE FOR 6 CONSECUTIVE DAYS

Answer 59

TREND

Question 60

MAIN CAUSE OF TREND

Answer 60

DETERIORATION OF REAGENTS

Question 61

CONTROL VALUES ARE ON ONE SIDE OR SIDE OF MEAN

Answer 61

SHIFT

Question 62

IT CAUSE SHIFT IN THE REFERENCE RANGE

Answer 62

TRANSIENT INSTRUMENT DIFFERENCES

Question 63

MAIN CAUSE OF SHIFT

Answer 63

IMPROPER CALIBRATION OF INSTRUMENTS

Question 64

ACCEPTABLE RANGE

Answer 64

95% OR 2SD

Question 65

DEGREE OF FLATNESS OR SHARPNESS OF VALUES HAVING GAUSSIAN DISTRIBUTION

Answer 65

KURTOSIS

Question 66

CONTROL VALUE THAT IS A SIGN OF POTENTIAL PROBLEM

Answer 66

2S AND 3S

Question 67

CONTROL VALUES THAT WOULD REQUIRE CORRECTIVE ACTION PLAN

Answer 67

3S

Question 68

RECOGNIZED TAHT SIMPLE UPPER AND LOWER CONTROL LIMITS ARE NOT ENOUGH RULE THAT INDICATES OUT OF CONTROL VALUES

Answer 68

WESTGARD CONTROL RULES

Question 69

1(2S), 1 (3S), R(4S)

Answer 69

RANDOM ERRORS

Question 70

2(2S) 4 (1S) 10X

Answer 70

SYSTEMATIC ERROR

Question 71

COMBINATON OF CONTROL RULES AND CONTROL CHART

Answer 71

MULTIRULE SHEWHART PROCEDURE

Question 72

RECOMMENDED THAT AT LEAST 40 SAMPLES AND 100 SAMPLES TO RUN RANDOM AND SYSTEMATIC ERRORS

Answer 72

WESTGARD

Question 73

DUPLICATE ANAYLSES PERFORMED WITHIN

Answer 73

4 HOURS

Question 74

IT CAN BE INCREASED TO DETECT SMALLER SYSTEMATIC ERRORS BY INCREASING NUMBER OF OBSERVATIONS

Answer 74

SENSTIVITY OF MULTIRULE PROCEDURE

Question 75

SET OF CONTROL AND PATIENT SPECIMEN ASSAYED, EVALUATED AND REPORTED.

Answer 75

ANALYTICAL RUN

Question 76

MOST COMMONLY USED PATIENT BASED QC TECHNIQUE

Answer 76

DELTA CHECK

Question 77

TEH DIFFERENCE BETWEEN 2 CONSECUTIVE MEASUREMENTS OF THE SAME ANALYTES ON THE SAME INDIVIDUAL

Answer 77

DELTA CHECK

Question 78

USED TO MEASURE SYSTEMATIC ERRORS TAHN THE ANALYTE

Answer 78

INTERFERENCE EXPERIMENTS

Question 79

WHAT ARE THE INTERFERENCES

Answer 79

``` HEMOGLOBIN LIPIDS ANTICOAGULANTS BILIRUBIN PRESERVATIVES ```

Question 80

MEASURED CONCENTRATION = ACTUAL CONCENTRATION WITHOUT MODIFICATION OF METHOD

Answer 80

LINEAR RANGE OR DYNAMIC RANGE

Question 81

DETECTS SAMPLE CONTAMINATION, INADEQUATE VOLUME, SUDDEN PROBLEM WITH METHOD, INCORRECT RECORDING

Answer 81

PHYSIOLOGIC VALUE OR ABSURD VALUE

Question 82

MOST COMMONLY USED POCT

Answer 82

PORTABLE WHOLE BLOOD GLUCOSE METERS

Question 83

ENVISIONED AS A TRIPOD WITH PROGRAM DEVELOPMENT, ASSESSMENT AND MONITORING

Answer 83

QUALITY ASSURANCE

Question 84

THESEA RE ALL SYSTEMATIC ACTIONS FOR ADEQUATE CONFIDENCE TAHT LAB SERVICES WILL SATISFY MEDICAL NEEDS

Answer 84

QUALITY ASSURANCE

Question 85

TO DELIVER QUALITY SERVICES AND PRODUCTS TO CUSTOMERS

Answer 85

PRIMARY GOAL OF QUALITY ASSURANCE

Question 86

IT WILL SHOW WHETEHER A METHOD MEASURES ALL ANALYTES OR ONLY PART OF IT SYSTEMATIC ERROR

Answer 86

RECOVERY EXPERIMENT

Question 87

5 FACTORS WHEN ESTABLISHING REFERENCE INTERVALS

Answer 87

1. COMPOSITION OF REFERENCE POPULATION 2. CRITERIA 3. PHYSIOLOGIC AND ENVIRONMENTAL CONDITIONS 4. SPECIMEN COLLECTION 5. METHODS

Question 88

IT IS NEEDED TO DERIVE RELIABLE ESTIMATES OF REFERENCE INTERVALS

Answer 88

120 INDIVIDUALS

Question 89

IT IS ONLY THE NEEDED SAMPLE IF LABORATORIAN DETERMINES TEST INSTRUMENT AND SUBJECT ARE THE SAME WITH MANUFACTURER'S INSERT

Answer 89

20 INDIVIDUALS