Chapter 3 Quiz

Question 1

Quality management consist of:

Answer 1

Quality assurance
Quality control

Question 2

In addition to blood and urine, the major types of body fluid specimens that can be tested by clinical laboratory include:

Answer 2

Synovial fluid, cerebrospinal fluid
Peritoneal fluid, pericardial fluid
Sweat, seminal fluid

Question 3

The CLIA ‘88 amendment regulations establish minimum requirements with general QC system for:

Answer 3

ALL non waived testing

Question 4

The abbreviation TJC stands for an organization that:

Answer 4

Accreditation hospitals and inspects clinical laboratories

Question 5

The abbreviation (Cap) stands for an organization that:

Answer 5

Accredits only hospital laboratories

Question 6

The abbreviation (COLA) stands for an organization that:

Answer 6

Accredits physician laboratories

Question 7

The abbreviation CLIA stands for an organization that:

Answer 7

Determines minimum QC requirements for non waived assays

Question 8

ISO 15189 is intended for use in:

Answer 8

Medical laboratories

Question 9

Six Sigma management focuses on:

Answer 9

Reduction of variability in laboratory results

Question 10

CLIA ‘88 required

Answer 10

Participation in proficiency testing

Question 11

If the incorrect anticoagulant is in blood collection tube, it is:

Answer 11

An active error

Question 12

An example of a (pre-analytical ( pre-examination) error is):

Answer 12

Incorrect identification of a patient

Question 13

An example of an analytical ( examination) error is:

Answer 13

Malfunction of a microprocessor that affects accuracy in testing

Question 14

An example of a (post-s analytical ( post-examination) error is):

Answer 14

Transposition of a numeric critical value in transmitting a report

Question 15

Blood from the wrong patient is an example of a/an:

Answer 15

Pre-analytical ( pre-examination) error

Question 16

Specimen collected in the wrong tube is an example of a/an:

Answer 16

Pre-analytical ( pre-examination) error

Question 17

Quality control outside of acceptable limits is an example of

Answer 17

Analytical ( examination) error

Question 18

Proficiency testing is required by CLIA for:

Answer 18

Non-waived tests
FDA cleared and approved moderate - complexity or high complexity assays

Question 19

If proficiency testing (PT) is not available fro a specific analyze, one alternate assessment method is:

Answer 19

Internal split - sample analysis

Question 20

The Delta check cutoff value may be presented as:

Answer 20

Absolute change
Percent change
Rate of change

Question 21

Quality control evaluate the ________ phase of testing

Answer 21

Analytical

Question 22

Systematic error:

Answer 22

Is the most commonly encountered laboratory testing error

Question 23

The “ Matrix” of a specimen

Answer 23

Has the components of a specimen other than the analyze of interest
More closely resembles the patient specimen

Question 24

Accuracy is defined as:

Answer 24

How close a test result is to the true value

Question 25

Calibration is defined as

Answer 25

Comparison of an instrument measurement or reading to a known physical constant.

Question 26

A control is defined as

Answer 26

Specimen that similar to patients blood known concentration of constituent

Question 27

Precision is defined as

Answer 27

How close results are to one another

Question 28

Standards are defined as

Answer 28

Highly purified substances of known composition.

Question 29

Sensitivity

Answer 29

Case with a specific disease or condition that produce a positive result

Question 30

Specificity is

Answer 30

Case without a specific disease or condition that produce a negative result

Question 31

The median is

Answer 31

Another term for the average

Question 32

The median is

Answer 32

Number that is midway between the highest and lowest value

Question 33

The mole is

Answer 33

Most frequency occurring number in a group of values

Question 34

The standard deviation is

Answer 34

Measure of variability

Question 35

The coefficient of variation is

Answer 35

Equal to SD divided by the mean

Question 36

Total analytical error depends on

Answer 36

A method prediction and
A method accuracy

Question 37

Level Jennings’s plots:

Answer 37

Show the value on a chart

Question 38

The the 1SD refers to the control rule that is commonly used with a level Jeanning chart.

Answer 38

When the control limits are set as the mean +_2SD

Question 39

When a specimen is transported to the laboratory, the optimum time for testing is:

Answer 39

Within 2 hours of collection

Question 40

Biometric is

Answer 40

The science of statics applied to biological observations.