CHAPTER IV: QUALITY CONTROL IN CLINICAL CHEMISTRY Flashcards

1
Q

a degree to which a set of inherent characteristics fulfills requirements

A

QUALITY

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2
Q

What is the ISO for Quality?

A

(ISO 9001:2008)

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3
Q

part of quality management focused on fulfilling quality requirements

A

QUALITY CONTROL

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4
Q

System of assuring the quality of total laboratory performance

A

QUALITY CONTROL

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5
Q

Quality control is done __________.

A

Periodically

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6
Q

Involves the periodic systematic surveillance of__________________

A

people, tools, methods and reagents

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7
Q

part of quality management focused on providing confidence that the
quality requirements will be fulfilled

A

QUALITY ASSURANCE

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8
Q

Set of activities or plan that aims to maintain the highest degree of excellence for the diagnosis & treatment of disease and maintenance of health

A

QUALITY ASSURANCE PROGRAM

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9
Q

establishes norms that must be met

A

Quality Control Surveillance System (QCCS)

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10
Q

established to offer education of why errors occur; provide a program to
remedy defects

A

Q.C. Corrective System

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11
Q

established to prove that corrective measures have produced favorable results.

A

Objective Q.C. Parameters

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12
Q

A substance of known composition

A

STANDARD

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13
Q

Its value is established by an analytical procedure different from that used in the clinical laboratory

A

STANDARD

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14
Q

A substance which resembles the unknown specimen (patient’s sample)

A

CONTROL MATERIAL

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15
Q

Analyzed daily together with the unknown

A

control material

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15
Q

The values obtained from the assays are used for the computation of the mean and the SD

A

CONTROL MATERIAL

16
Q

Excess non-hemolyzed sera without gross lipemia are collected daily in the laboratory and pooled for storage in the refrigerator

A

Pooled sera

17
Q

Excess non-hemolyzed sera _______gross lipemia are collected _____ in the laboratory and pooled for _______ in the refrigerator

A

without
daily
storage

18
Q

How many liters of pooled sera is collected for the MT to centrifuge it?

A

1-2 Liters

19
Q

When 1 – 2 liters are collected, centrifuge to remove _____________

A

gross contamination

20
Q

Under pooled sera, after centrifuging it, ___________ into aliquots of __ each

A

filter and divide
5 mL

21
Q

Under pooled sera, after centrifuging, filtering and aliquoting. What is the next step?

A

Stopper and store at -20°C

22
Q

extent to w/c the measurement approximates the true value of the quantity being measured

A

accuracy

23
Q

a.k.a reproducibility; degree to w/c repeated results agree to each other

A

Precision

24
Q

– ability of a method to detect a particular substance w/o the interference of some other substances present in the sample

A

specificity

25
Q

ability of a method to detect even the smallest amount of that particular substance tested for

A

Sensitivity

26
Q

ability of a method to maintain its accuracy & precision over an extended of time

A

Reliability

27
Q

degree to w/c the method is easily repeated

A

Practicability