Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
Film and intensifying screens are primarily used in: - ANSWER conventional radiography
Intensifying screens: - ANSWER emit light.
Which modality was the first to use the principle of digital imaging? - ANSWER Computed tomography
(CT)
Who was the first to incorporate digital imaging with the CT scanner? - ANSWER Godfrey Hounsfield
Teleradiology, moving images via telephone lines to and from remote locations, was first conceptualized
by: - ANSWER Albert Jutras.
The first commercial CT scanners could image the: - ANSWER head only
In which decade was MRI first introduced? - ANSWER 1980s
Early picture archival and communication systems were first developed: - ANSWER by the U.S. military.
Teleradiography incorporated_________ to produce radiographic images. - ANSWER telephone lines
One of the early goals related to the development of PACS was to: - ANSWER provide a means to move
battlefield images to an established hospital.
,Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
CR acquires an image through: - ANSWER the use of a storage phosphor plate
The active element in a storage phosphor is: - ANSWER barium fluorohalide
In reference to PSP image capture, to release the latent image, which of the following devices is scanned
over the phosphor plate? - ANSWER Focused laser light
A look-up table maps: - ANSWER image gray scale values.
With conventional radiography, optical density is primarily controlled by: - ANSWER milliampere-
seconds.
T/F - Light exposing the filim is in direct proportion to the amount and energy of the incident photon
upon the screen - ANSWER True
The earliest CT of the head took several hours to acquire a single slice of information. - ANSWER True
Similar to CR, DR can use the existing diagnostic equipment found in today's imaging departments -
ANSWER False
A Bucky apparatus is required for DR. - ANSWER False
Many PACS reading stations also have image-processing capabilities. - ANSWER True
Multiple numeric values divided into an array of small elements capable of being processed is the is
definition of ________ images. - ANSWER digital
, Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
The continuous and varying levels of brightness and colors describes _________images - ANSWER digital
Each square in a matrix is called a: - ANSWER picture element.
The number of bits per pixel is known as bit: - ANSWER depth.
The size of the pixel is determined by - ANSWER matrix
The measurement for radiation that was incident on the image receptor for a particular exposure is -
ANSWER KIND
Factors that can adversely affect the pixel values expressed in the deviation index include all of the
following except: - ANSWER failure of the system to recognize the exposure indicator
How dark or light a digital image appears on a display monitor is known as: - ANSWER brightness.
The ability of a digital system to display subtle changes in shades of gray is called: - ANSWER contrast
resolution.
A system's ability to respond to varying levels of exposure, resulting in more detail, is referred to as: -
ANSWER dynamic range
The range of exposure values the image detector is able to produce is known as: - ANSWER latitude
The efficiency of a system to convert x-ray input signal into a useful output image is known as - ANSWER
detective quantum efficiency.
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
Film and intensifying screens are primarily used in: - ANSWER conventional radiography
Intensifying screens: - ANSWER emit light.
Which modality was the first to use the principle of digital imaging? - ANSWER Computed tomography
(CT)
Who was the first to incorporate digital imaging with the CT scanner? - ANSWER Godfrey Hounsfield
Teleradiology, moving images via telephone lines to and from remote locations, was first conceptualized
by: - ANSWER Albert Jutras.
The first commercial CT scanners could image the: - ANSWER head only
In which decade was MRI first introduced? - ANSWER 1980s
Early picture archival and communication systems were first developed: - ANSWER by the U.S. military.
Teleradiography incorporated_________ to produce radiographic images. - ANSWER telephone lines
One of the early goals related to the development of PACS was to: - ANSWER provide a means to move
battlefield images to an established hospital.
,Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
CR acquires an image through: - ANSWER the use of a storage phosphor plate
The active element in a storage phosphor is: - ANSWER barium fluorohalide
In reference to PSP image capture, to release the latent image, which of the following devices is scanned
over the phosphor plate? - ANSWER Focused laser light
A look-up table maps: - ANSWER image gray scale values.
With conventional radiography, optical density is primarily controlled by: - ANSWER milliampere-
seconds.
T/F - Light exposing the filim is in direct proportion to the amount and energy of the incident photon
upon the screen - ANSWER True
The earliest CT of the head took several hours to acquire a single slice of information. - ANSWER True
Similar to CR, DR can use the existing diagnostic equipment found in today's imaging departments -
ANSWER False
A Bucky apparatus is required for DR. - ANSWER False
Many PACS reading stations also have image-processing capabilities. - ANSWER True
Multiple numeric values divided into an array of small elements capable of being processed is the is
definition of ________ images. - ANSWER digital
, Digital Radiography and PACS - FINAL-
Chapter 1,2,3,4,5,6,7,8,9,12,13. All 169
solutions accurate.
The continuous and varying levels of brightness and colors describes _________images - ANSWER digital
Each square in a matrix is called a: - ANSWER picture element.
The number of bits per pixel is known as bit: - ANSWER depth.
The size of the pixel is determined by - ANSWER matrix
The measurement for radiation that was incident on the image receptor for a particular exposure is -
ANSWER KIND
Factors that can adversely affect the pixel values expressed in the deviation index include all of the
following except: - ANSWER failure of the system to recognize the exposure indicator
How dark or light a digital image appears on a display monitor is known as: - ANSWER brightness.
The ability of a digital system to display subtle changes in shades of gray is called: - ANSWER contrast
resolution.
A system's ability to respond to varying levels of exposure, resulting in more detail, is referred to as: -
ANSWER dynamic range
The range of exposure values the image detector is able to produce is known as: - ANSWER latitude
The efficiency of a system to convert x-ray input signal into a useful output image is known as - ANSWER
detective quantum efficiency.
