Question 1

Compared with a 90-second processing time found in conventional radiography,image acquisition with DR has now been reduced to

Accepted Answer

A)   instantaneous acquisition.
B)   1-2 seconds.
C)   3-5 seconds.
D)   6-8 seconds.E) A) and D)
F) A) and C)

Question 2

Which modality was the first to use the principle of digital imaging?

Accepted Answer

A)   Computed tomography (CT) 
B)   Magnetic resonance imaging (MRI) 
C)   Ultrasonography
D)   Cardiac catheterizationE) B) and C)
F) A) and B)

Question 3

X-ray energy related to direct capture DR will stimulate a ______,which eventually is changed into an electrical signal.

Accepted Answer

A)   photodensitometer
B)   scintillator
C)   TFT array
D)   charge-coupled deviceE) A) and D)
F) None of the above

Question 4

Similar to CR,DR can use the existing diagnostic equipment found in today's imaging departments.

Accepted Answer

A) True 
 B)False

Question 5

The first commercial CT scanners could image the

Accepted Answer

A)   abdomen only.
B)   head only.
C)   head and abdomen.
D)   total body.E) B) and C)
F) All of the above

Question 6

Technologist efficiency ratings are generally the same when comparing conventional radiography with ______ radiography.

Accepted Answer

A)   computed
B)   digitalC) A) and B)
D) undefined

Question 7

Film and intensifying screens are primarily used in

Accepted Answer

A)   computed radiography (CR) .
B)   digital radiography (DR) .
C)   conventional radiography.
D)   picture archival and communication systems.E) B) and C)
F) A) and D)

Question 8

With conventional radiography,optical density is primarily controlled by

Accepted Answer

A)   kilovoltage.
B)   milliamperage.
C)   line voltage.
D)   milliampere-seconds.E) None of the above
F) A) and B)

Question 9

Which of the following best describes the sequence for PSP image capture?

Accepted Answer

A)   Phosphor plate,focused laser light scanner,photomultiplier,digital-analog converter,review station
B)   Phosphor plate,focused laser light scanner,photodensitometer,digital-analog converter,review station
C)   Phosphor plate,focused laser light scanner,photodensitometer,analog-digital converter,review station
D)   Phosphor plate,focused laser light scanner,photomultiplier,analog-digital converter,review stationE) C) and D)
F) A) and C)

Question 10

The active element in a storage phosphor is

Accepted Answer

A)   lithium.
B)   glutaraldehyde.
C)   europium.
D)   barium fluorohalide.E) A) and B)
F) A) and C)

Question 11

DICOM is a standard that allows imaging modalities and PACS to communicate in the same language.

Accepted Answer

A) True 
 B)False

Question 12

The first full-scale PACS was installed in 1993 in

Accepted Answer

A)   Boston.
B)   Philadelphia.
C)   New York.
D)   Baltimore.E) B) and C)
F) None of the above

Question 13

The ______ converts x-ray energy directly to a digital electrical signal.

Accepted Answer

A)   photoconductor
B)   photomultiplier
C)   scintillator
D)   TLDE) All of the above
F) A) and B)

Question 14

In reference to PSP image capture,to release the latent image,which of the following devices is scanned over the phosphor plate?

Accepted Answer

A)   Photomultiplier tube
B)   Fluorescent light
C)   Focused laser light
D)   Lithium crystalE) C) and D)
F) B) and D)

Question 15

All of the following are components of a PACS except

Accepted Answer

A)   independent kilovoltage peak and milliampere-second stations.
B)   web access.
C)   multiple interfaces.
D)   reading stations.E) None of the above
F) A) and C)

Question 16

The earliest CT of the head took several hours to acquire a single slice of information.

Accepted Answer

A) True 
 B)False

Question 17

Preset image annotation controls include all of the following except

Accepted Answer

A)   arrows.
B)   position indicators.
C)   date and time stamps.
D)   image acquisition markers.E) B) and D)
F) A) and B)

Question 18

Early reconstruction of raw CT data took a few ______ to form a recognizable image.

Accepted Answer

A)   minutes
B)   hours
C)   daysD) None of the above
E) A) and B)

Question 19

Who was the first to incorporate digital imaging with the CT scanner?

Accepted Answer

A)   Paul Lauterbur
B)   Godfrey Hounsfield
C)   Sol Nudelman
D)   M.Paul CappE) B) and D)
F) A) and D)

Exam 1: Introduction to Digital Radiography and Picture Archiving and Communication Systems

The active element in a storage phosphor is

Correct Answer
verified

The ______ converts x-ray energy directly to a digital electrical signal.

Correct Answer
verified

In reference to PSP image capture,to release the latent image,which of the following devices is scanned over the phosphor plate?

Correct Answer
verified

The first full-scale PACS was installed in 1993 in

Correct Answer
verified

With conventional radiography,optical density is primarily controlled by

Correct Answer
verified

Who was the first to incorporate digital imaging with the CT scanner?

Correct Answer
verified

The first commercial CT scanners could image the

Correct Answer
verified

Which of the following best describes the sequence for PSP image capture?

Correct Answer
verified

Compared with a 90-second processing time found in conventional radiography,image acquisition with DR has now been reduced to

Correct Answer
verified

Technologist efficiency ratings are generally the same when comparing conventional radiography with ______ radiography.

Correct Answer
verified

Which modality was the first to use the principle of digital imaging?

Correct Answer
verified

The earliest CT of the head took several hours to acquire a single slice of information.

Correct Answer
verified

Film and intensifying screens are primarily used in

Correct Answer
verified

DICOM is a standard that allows imaging modalities and PACS to communicate in the same language.

Correct Answer
verified

All of the following are components of a PACS except

Correct Answer
verified

Early reconstruction of raw CT data took a few ______ to form a recognizable image.

Correct Answer
verified

Preset image annotation controls include all of the following except

Correct Answer
verified

Similar to CR,DR can use the existing diagnostic equipment found in today's imaging departments.

Correct Answer
verified

X-ray energy related to direct capture DR will stimulate a ______,which eventually is changed into an electrical signal.

Correct Answer
verified

Exam 1: Introduction to Digital Radiography and Picture Archiving and Communication Systems

The active element in a storage phosphor is

Correct AnswerverifiedShow Answer

The ______ converts x-ray energy directly to a digital electrical signal.

Correct AnswerverifiedShow Answer

In reference to PSP image capture,to release the latent image,which of the following devices is scanned over the phosphor plate?

Correct AnswerverifiedShow Answer

The first full-scale PACS was installed in 1993 in

Correct AnswerverifiedShow Answer

With conventional radiography,optical density is primarily controlled by

Correct AnswerverifiedShow Answer

Who was the first to incorporate digital imaging with the CT scanner?

Correct AnswerverifiedShow Answer

The first commercial CT scanners could image the

Correct AnswerverifiedShow Answer

Which of the following best describes the sequence for PSP image capture?

Correct AnswerverifiedShow Answer

Compared with a 90-second processing time found in conventional radiography,image acquisition with DR has now been reduced to

Correct AnswerverifiedShow Answer

Technologist efficiency ratings are generally the same when comparing conventional radiography with ______ radiography.

Correct AnswerverifiedShow Answer

Which modality was the first to use the principle of digital imaging?

Correct AnswerverifiedShow Answer

The earliest CT of the head took several hours to acquire a single slice of information.

Correct AnswerverifiedShow Answer

Film and intensifying screens are primarily used in

Correct AnswerverifiedShow Answer

DICOM is a standard that allows imaging modalities and PACS to communicate in the same language.

Correct AnswerverifiedShow Answer

All of the following are components of a PACS except

Correct AnswerverifiedShow Answer

Early reconstruction of raw CT data took a few ______ to form a recognizable image.

Correct AnswerverifiedShow Answer

Preset image annotation controls include all of the following except

Correct AnswerverifiedShow Answer

Similar to CR,DR can use the existing diagnostic equipment found in today's imaging departments.

Correct AnswerverifiedShow Answer

X-ray energy related to direct capture DR will stimulate a ______,which eventually is changed into an electrical signal.

Correct AnswerverifiedShow Answer

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