Brainscape's Knowledge GenomeTM

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


See full index

RT7CADRAD > Detective Quantum Efficiency (DQE) > Flashcards

Detective Quantum Efficiency (DQE) Flashcards

1
Q

refers to the efficiency of a detector in converting incident x-ray energy into an image signal

A

Detective Quantum Efficiency (DQE)

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

TRUE OR FALSE: DQE IS NOT DEPENDENT ON RADIATION EXPOSURE

A

FALSE, IT IS DEPENDENT

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

POOR DQE = REPEAT IMAGE. TRUE OR FALSE

A

TRUE

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

year glass plate wrapped in black paper invented

A

1900

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

year hand wrapped cellulose nitrate films invented

A

1913

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

year cellulose triacetate invented

A

1924

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

year polyester base invented

A

1960

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

year digital radiography invented

A

1980

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

year charge-coupled device (CCD) based imaging invented

A

1990

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

year digital imaging invented

A

2000

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

what is the controlling factor of voltage

A

kVp

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

TRUE OR FALSE: DQE is dependent on radiation exposure, spatial frequency, MTF, detector material

A

true

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

how much DQE for ideal detector

A

1

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

how many percent of DQE in a system that loses efficiency

A

40% and 50% (DQE 0.45)

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

is a method by which digital radiography manufacturers provide feedback to the technologist regarding the estimated exposure on the detector

A

exposure index

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

refers to the size of the range of light that a camera can capture from complete black to complete white

A

dynamic range

17
Q

is the amount of under or over exposure that a particular image can handle while still fitting into the camera’s dynamic range

A

latitude

18
Q

is the extent to which a light sensitive material can be overexposed or underexposed and still achieve an acceptable result

A

exposure latitude

19
Q

the latitude of collimation that still allows the software to detect collimated edges

A

beam part receptor alignment latitude

20
Q

digital acquisition or data of the various imaging modalities for input to a picture archiving and communication system

A

raw data acquisition

21
Q

DICO stands for

A

digital imaging and communication in medicine

22
Q

RIS stands for

A

radiology information standard system

23
Q

HIS stands for

A

hospital information system

24
Q

a graphic representation of data set; image before edge detection rescaling

A

histogram

25
Q

computer analyzes the histogram using processing algorithms and compares it with a pre-established histogram specific to the anatomic part being imaged

A

histogram analyzes

RT7CADRAD (3 decks)

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