3. QUALITY ASSESSMENT IN THE LAB

Question 1

 A system designed to increase the probability that each result reported is valid and can be used with confidence by the physician
 Refers to activities that evaluate, monitor or regulate services

Answer 1

QUALITY CONTROL

Question 2

QUALITY TERMINOLOGY

Answer 2

 Quality control
 Quality assurance
 Quality assessment
 Quality systems

Question 3

EXAMPLES OF QUALITY
CONTROL

Answer 3

Running control samples
 Control charts
 Quality control statistics

Question 4

refers to the planned and systematic activities implemented in a quality system so that quality requirements for a product or service will be fulfilled . It is the systematic measurement,
comparison with a standard, monitoring of processes and an associated feedback loop that confers error prevention.

Answer 4

Quality assurance

Question 5

 A system for monitoring and evaluating all the various aspects of a service

Answer 5

QUALITY ASSURANCE

Question 6

 A set of activities designed to ensure that processes are adequate to meet testing objectives

Answer 6

QUALITY ASSURANCE

Question 7

EXAMPLES OF QUALITY ASSURANCE

Answer 7

 Quality Assurance plan
 Customer satisfaction survey
 Sample adequacy and collection data
 Turn around time

Question 8

refers to all of the laboratory’s policies, processes, procedures, and
resources needed to achieve quality testing

Answer 8

QUALITY systems

Question 9

is a means to determine the quality of the results generated by the laboratory.

is a challenge to the effectiveness of the QA and QC programs

Answer 9

Quality Assessment

Question 10

QC Assessment types

Answer 10

External QC
Internal QC

Question 11

Stages of Quality Assurance

Answer 11

• 1: Pre Analytical
• 2: Analytical
• 3: Post Analytical

Question 12

QC refers to the measures that must be included during each assay run to verify that the test is working
properly.

Answer 12

Quality Control

Question 13

Process or system for monitoring the quality of laboratory testing, and the accuracy and precision of results

Answer 13

Quality Control

Question 14

The degree of fluctuation in the measurements is indicative of the ___________ of the assay.

Answer 14

“precision”

Question 15

The closeness of measurements to the true value is indicative of the __________ of the assay.

Answer 15

“accuracy”

Question 16

There are two types of Quality control

Answer 16

1. Internal quality control (IQC)
2. External quality control (EQC)

Question 17

 Is based on monitoring the test procedures that are performed in the
laboratory and includes:

 Measurement on a specifically prepared materials
 Repeated measurement on routine specimens
 Daily statistical analysis of data obtained from routine tests.

Answer 17

Internal QC

Question 18

• Used to verify the accuracy and precision of a test and are exposed to the same conditions as the patient samples
• Documentation of QC includes dating and initialing the material when it is
  first opened and recording the manufacturer’s lot number and the
  expiration date each time a control is run and the test result is obtained

Answer 18

External QC

Question 19

• External controls are tested and interpreted in the laboratory by the same person performing the patient testing

Answer 19

External QC

Question 20

This refers to correct transcription, reporting, recording and storage of specimens

Answer 20

. Post analytical step