Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Medical Lab Assisting > Lesson 3 - Quality Assessment & Quality Control pt1 > Flashcards

Lesson 3 - Quality Assessment & Quality Control pt1 Flashcards

You may prefer our related Brainscape-certified flashcards:
USMLE® Step 1 flashcards
1
Q

A statistical average of a set of values is called a
A. Mean
B. Median
C. Mode
D. Range

A

A. Mean

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

If a test is determined to be both accurate and precise; it is said to be ______.
A. Accurately precise
B. Inaccurate precision
C. Reliable
D. Accurate unprecise

A

C. Reliable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The ____ is used in the laboratory to give the relative variability of a test procedure.

A. Mean
B. CV
C. Trend
D. SD

A

B. CV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Six values that consistently remain above the mean is called a ______.

A. out-of-control
B. standard deviation
C. Trend
D. Shift

A

D. Shift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An out-of-control value is one that falls outside of ____ SD (standard deviation) from the mean.

A. three
B. five
C. two
D. one

A

C. two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Each lab that falls between the _____ standard deviation passes the proficiency testing survey.
A. 1 SD
B. 2 SD
C. 3 SD

A

B. 2 SD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Each lab that falls outside of the _____ standard deviation must investigate and take corrective actions.
A. 1 SD
B. 2 SD
C. 3 SD

A

B. 2 SD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Define CAP

A

College of American Pathologists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Define AACC

A

American Association for Clinical Chemistry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Proficiency testing is an _____ quality control program?
A. Internal
B. External
C. Simple

A

B. External

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Proficiency testing is protected under what federal law?
A. CAP
B. AACC
C. CLIA 88’

A

C. CLIA 88’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What company takes and calculates the mean and standard deviation of tests from the lab?

A

Survey company such as CAP or AACC.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Quality assessment involves _____ and administrative procedures to achieve quality goals.
A. bosses
B. plans & procedures
C. training

A

B. plans & procedures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

True or false: Quality control helps to identify and minimize analytical errors.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many types of quality control are there?
A 1
B 2
C 3

A

B 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Define lyophilized

A

To be in powder form

17
Q

What do you add to lyophilize to reconstitute (rehydrate) the powder?

A

Water

18
Q

Define a reagent

A

A sample used to create a chemical reaction

19
Q

What is most important about reagents?

A

Storage management & chemical contamination

20
Q

How should you rotate stock of chemicals?

A

Rotate oldest to be used first.

21
Q

If the phlebotomist draws the wrong tubes for laboratory testing, in what phase of testing does this error occur?

a. Non-examination
b. Examination
c. Post-examination
d. Pre-examination

A

d. Pre-examination

22
Q

An example of a non-examination factor that causes laboratory error is __________.

Select one:
a. Expired reagents
b. Patient not fasting
c. Entering wrong results in the LIS
d. Not enough staff in the laboratory

A

d. Not enough staff in the laboratory

23
Q

True or false: External controls are used to survey or test laboratory proficiency.

A

True

24
Q

If a refrigerator temperature is above the acceptable limit, you should __________.

Select one:
a. Record the temperature and adjust the temperature control knob
b. Record the temperature and notify your supervisor
c. Adjust the temperature control knob then record the temperature when it is acceptable
d. Notify your supervisor before recording the temperature

A

Record the temperature and notify your supervisor

25
Q

Reliability of a test results means the test is __________.

Select one:
a. Both precise and accurate
b. Accurate
c. Neither precise nor accurate
d. Precise

A

a. Both precise and accurate

26
Q

Six or more consecutive values that do not touch or cross the mean on a Levey-Jennings chart is a __________.

Select one:
a. Trend caused by a gradual change from the mean
b. Trend caused by a sudden change from the mean
c. Shift caused by a gradual change from the mean
d. Shift caused by a sudden change from the mean

A

d. Shift caused by a sudden change from the mean

27
Q

The range of distribution of values above and below the mean is __________.

Select one:
a. Coefficient of variation
b. Standard deviation
c. Accuracy
d. Precision

A

b. Standard deviation

Medical Lab Assisting (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions