Introduction

Question 1

It refers to the discipline involved in selection, provision, and interpretation of diagnostic testing that uses primarily sample from patients.

Answer 1

Laboratory Medicine

Question 2

It refers to the systematic study of biochemical process associated with health and disease and the measurement of constituents.

Answer 2

Clinical Chemistry/Medicinal Chemistry/Chemical Pathology

Question 3

Laboratory medicine is used for confirmation of a clinical suspension [True or False]

Answer 3

True

Question 4

Laboratory Medicine excludes diagnosis [True or False]

Answer 4

True

Question 5

Laboratory Medicine does not provide prognosis [True or False]

Answer 5

False

Question 6

Specimens are ________ and substances are ________.

Answer 6

analyzed, measured

Question 7

These are non functioning wastes products in the process of being cleared in the body.

Answer 7

Metabolites

Question 8

Laboratory request that must be done within 1 hour.

Answer 8

STAT

Question 9

Laboratory request that must be done within 2 hours.

Answer 9

Priority

Question 10

Non urgent and special requests that must be performed within 4-6 hours.

Answer 10

Routine tests

Question 11

It refers to the “Total Quality Control”

Answer 11

QA

Question 12

It is a comprehensive set of policies and procedures.

Answer 12

QA

Question 13

QA monitors quality performance starting from ________ and ends with ________.

Answer 13

Ordering of a laboratory determination; Application to patient care

Question 14

Percentage of errors done by non-laboratory personnel in Pre-analytical phase

Answer 14

29%

Question 15

Pipetting and preparation of PFF (Phase)

Answer 15

Analytical Phase

Question 16

Centrifugation and separating or aliquoting of plasma (Phase)

Answer 16

Pre-analytical

Question 17

Record keeping (Phase)

Answer 17

Analytical

Question 18

Incubation of mixture (Phase)

Answer 18

Analytical

Question 19

Reference ranges (Phase)

Answer 19

Post-analytical

Question 20

It is concerned with the analytical phase of QA

Answer 20

QC

Question 21

Assay of control sample (QA or QC)

Answer 21

QC

Question 22

Instrument maintenance (QA or QC)

Answer 22

QC

Question 23

Statistical Data Analysis (QA or QC)

Answer 23

QC

Question 24

Proficiency Testing Survey (QA or QC)

Answer 24

QC

Question 25

The proportion of individuals with that disease that test positively with the test

Answer 25

Diagnostic Sensitivity

Question 26

The proportion of individual that will test negatively in the absence of disease

Answer 26

Diagnostic specificity

Question 27

Ability to measure accurately one component in a specimen without interference

Answer 27

Analytical specificity

Question 28

Ability to detect small differences in the concentration of a component in a series of specimens

Answer 28

Analytical Sensitivity

Question 29

Easy to predict (Linear pattern)

Answer 29

Systematic errors

Question 30

Easy to spot (outlier)

Answer 30

Random error

Question 31

Solutions with known characteristics, value, and amount that is used to calibrate an assay method.

Answer 31

Reference material

Question 32

A control material should be stable and sufficient to last at least _______?

Answer 32

1 year

Question 33

Why are controls be available in convenient vial volumes?

Answer 33

To prevent cross contamination

Question 34

They should be lyophilized and should be reconstituted before use

Answer 34

Control specimens

Question 35

Most preferred source of control that should be sufficient for one year

Answer 35

Pooled control sera

Question 36

The pooled control sera should be analyzed for how many times before obtaining the mean value for each constituent and standard deviation

Answer 36

At least 20 times

Question 37

Source of commercial control sera

Answer 37

Human serum or bovine (can’t be used in IHC, Dye-binding techniques, and certain bilirubin assay)

Question 38

Type of control that easily deteriorates and hazardous

Answer 38

Pooled control sera

Question 39

It refers to the mean and true value

Answer 39

Accuracy

Question 40

It refers to the reproducibility under identical conditions

Answer 40

Precision