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