Combined: MLT102 Unit 5, Lesson 1, 2, 3, 4

Question 1

Provides a philosophy for organizational development and a management process for improvement of quality

Accepted Answer

Total quality management

Question 2

Once an employee is trained it is not necessary to check their technical competency.

Accepted Answer

False

Question 3

Which of these is not a systematic error?

Accepted Answer

Reagent dispensing

Question 4

Includes all steps involved in the actual performance of a laboratory test.

Accepted Answer

Analytical

Question 5

this equation is used to calculate:

Accepted Answer

Standard deviation

Question 6

The initial step in preventing collection errors is accurate identification of the patient after specimen collection

Accepted Answer

False

Question 7

Processing of orders for laboratory tests is one of the most common sources of error in the testing cycle.

Accepted Answer

True

Question 8

Requires that all U.S. laboratories register with the government and identify the tests that they perform

Accepted Answer

CLIA

Question 9

Provides a structured problem solving process to help identify the root cause of a problem and a remedy for that problem

Accepted Answer

Quality improvement

Question 10

Centrifuges should be monitored through checks on speed, time, and temperature.

Accepted Answer

True

Question 11

Which Westgard rule applies to the above data set?

Accepted Answer

1_2s

Question 12

Which of these is not a non-statistical check procedure for quality control?

Accepted Answer

Patient identification

Question 13

The above is a flow chart that outlines:

Accepted Answer

Quality management process

Question 14

Which Westgard rule applies to the above data set?

Accepted Answer

10_x

Question 15

On control charts the time of observation is plotted on the:

Accepted Answer

X-axis

Question 16

Step-by-step instructions that a single individual needs to follow to successfully complete one activity in the process

Accepted Answer

Standard operating procedure

Question 17

Distribution of error is assumed to be symmetrical and bell shaped.

Accepted Answer

True

Question 18

Improper specimen collection is a source of error in the analytical process.

Accepted Answer

False

Question 19

Which of these is a potential error in the pre-analytical phase?

Accepted Answer

All of these are correct

Question 20

Control limits are calculated from the mean and the standard deviation

Accepted Answer

True

Question 21

In order to pass a proficiency test a lab needs to score at least an _______ for three consecutive tests.

Accepted Answer

80%

Question 22

Specimens that are analyzed for QC purposes are known as:

Accepted Answer

Control material

Question 23

Which Westgard rule applies to the above data set?

Accepted Answer

2_2s

Question 24

Evaporation can decrease the sample concentration.

Accepted Answer

False

Question 25

The spread represents the relationship of all the data points to the mean

Accepted Answer

True

Question 26

Begins with reporting of results to the health care provider & ends with action being taken by the health care provider

Accepted Answer

Post-analytical

Question 27

Includes the general policies, practices, and procedures that define how all aspects of the work are done

Accepted Answer

Quality laboratory processes

Question 28

Selection of reference individuals for a reference value study should be random

Accepted Answer

False

Question 29

On control charts the concentration or observed values is plotted on the:

Accepted Answer

Y-axis

Question 30

Precision is the closeness of agreement of a single measurement with true value.

Accepted Answer

False

Question 31

The mean has one more decimal place that the original data

Accepted Answer

False

Question 32

Which Westgard rule applies to the above data set?

Accepted Answer

1_3s

Question 33

The analytical run is accepted when both control observations fall with +/- 2SD limits

Accepted Answer

True

Question 34

Which Westgard rule applies to the above data set?

Accepted Answer

R_4s

Question 35

Reference point to determine whether a disease is present or absent or if patient is at risk for further disease states

Accepted Answer

Reference range

Question 36

Non-waived tests are subject to complete CLIA regulations.

Accepted Answer

True

Question 37

Laboratories do not need to provide a detailed manual that documents the proper method used for specimen collection

Accepted Answer

False

Question 38

Simple graphical displays in which the observed values are plotted versus the time

Accepted Answer

Control charts

Question 39

With a Gaussian curve of the population _________ will be within 3SD of the mean

Accepted Answer

99.7%

Question 40

The middle value in a sample of data when values are ranked from lowest to highest

Accepted Answer

Median

Question 41

Systematic errors shift the mean of the distribution

Accepted Answer

True

Question 42

Defined as conformance to the requirements of users or customers and the satisfaction of their needs and expectations

Accepted Answer

Quality

Question 43

Which of these is a potential error in the analytical phase?

Accepted Answer

Specimen mix up

Question 44

Risk of ______ is associated with manual entry of data, even when results are double-checked.

Accepted Answer

Transcription error

Question 45

GOOD LUCK SOLDIERS AND SAILORS!! Y’ALL ARE GOING TO KILL IT!!

Accepted Answer

Hoooahhh, Too Easy, Hell yeah!, Hooyyahhh

Question 46

Control materials should:

Accepted Answer

All of these are correct

Question 47

Graphical display that contains the mean and plus or minus three standard deviations

Accepted Answer

Levy Jennings chart

Question 48

Which of these is a potential error in the post-analytical phase?

Accepted Answer

All of these are correct

Question 49

Process by which simulated patient specimens made from a common pool are analyzed by laboratories

Accepted Answer

Proficiency testing

Question 50

Proper patient preparation is essential for obtaining meaningful test results

Accepted Answer

True

Question 51

Variance is a measure of dispersion

Accepted Answer

True

Question 52

Random errors are unpredictable and widen the distribution

Accepted Answer

True

Question 53

Begins with the patient and ends with preparation of a sample for testing.

Accepted Answer

Pre-analytical

Question 54

Laboratory testing is a process that begins with sample collection and ends with reporting the results from testing.

Accepted Answer

True

Question 55

Which Westgard rule applies to the above data set?

Accepted Answer

4_1s

Question 56

False positives are those diseased patients misclassified by the test

Accepted Answer

False

Question 57

Samples of the control material are analyzed by the analytical method to be controlled on at least______ different days

Accepted Answer

20

Question 58

Calculated by adding up all the observations and dividing by the number of observations

Accepted Answer

Mean

Question 59

Level concentrations that would indicate a potentially or imminently life-threatening situation

Accepted Answer

Critical values

Question 60

Post-analytical factors primarily deal with specimen collection procedures

Accepted Answer

False

Question 61

Which of these is not one of the three phases of laboratory testing?

Accepted Answer

Analytical processing

Question 62

The most frequently occurring value in a dataset

Accepted Answer

Mode

Combined: MLT102 Unit 5, Lesson 1, 2, 3, 4

Questions 62

Combined: MLT102 Unit 5, Lesson 1, 2, 3, 4

Questions 62