RADT 1075 Final Exam Questions and
Answers Latest Update
The acronym PACS stands for - Answer-Picture Archiving and Communication System
EMR stands for - Answer-electromagnetic radiation and electronic medical record.
Gray scale bit depth determines - Answer-the number of gray shades
What is the anticipated file storage in gigabytes necessary for a computed tomography
examination comprised of 2,200 images, each with a 512 x 512 matrix at 16-bit depth? -
Answer-1.15343 Gb
The service class and object class combine to form a - Answer-SOP unit
"Blooming" is a term that results from the internal process of a monitor rather than the
external light causing reflection off the monitor screen. - Answer-False
What is the anticipated image file size in kilobytes for a computed radiography digital
image comprised of a 2,400 x 2,400 matrix with a 32-bit depth? - Answer-23,040 Kb
Soft copy display of images refers to - Answer-images displayed via a video monitor
Medical images that are sent via teleradiology are sent over a - Answer-WAN
A CT scanner and workstation are considered a SOP. - Answer-true
What is the anticipated file storage in gigabytes necessary for a computed tomography
examination comprised of 1,200 images, each with a 512 x 512 matrix at 32-bit depth? -
Answer-1.258291 Gb
Based upon image file size, the greatest image file size would be created with what type
of diagnostic image? - Answer-digital mammogram
All of the following are advantages to soft-copy display EXCEPT - Answer-images
visualized on film.
Essential characteristics of a PACS include: 1. distribution and retrieval of digital images
2. creation of digital images 3. radiation dosage documentation 4. display of digital
images 5. voice-activated dictation 6. digital image storage and long-term archival -
Answer-1, 4, and 6 only
As a result of film digitizers, - Answer-*Hard copy analog films can be scanned into
digital format
,*Digitized images can be placed into a PACS
*Digitized images can be networked with other DICOM images
all of the above
All of the following are advantages to soft-copy display EXCEPT - Answer-images
visualized on film
Production of a grainy, reticulated image that cannot be corrected in digital post-
processing is the result of - Answer-failure to use a high enough mAs setting.
The Health Insurance Portability and Accountability Act of 1996 (HIPAA) intends to -
Answer-protect a patient's medical information from unauthorized usage and access.
Examples of a biomedical informatics(BMI) platform include - Answer-all of the above
When a technologist uses the PACS or BMI components, password protection should
be adhered and whenever the technologists leaves, they should always log out of the
system to avoid leaving patient information accessible. - Answer-true
Gray scale bit depth ranges from ____ bits to ____ bits. - Answer-8;32
What is the anticipated image file size in bytes for a computed radiography digital image
comprised of a 1,000 x 1,000 matrix with an 8-bit depth? - Answer-1,000,000
When images are sent from a CR workstation to a radiologist viewing station for
interpretation, the workstation and viewing station become a SOP. In this case, -
Answer-the workstation is provider class and the viewing station is user class.
All of the following would be acceptable HIPAA-compliant actions EXCEPT - Answer-
discussing the results of a patient's mammogram with a colleague as you ride the
elevator to lunch.
For how many years do many institutions store radiographic film images? - Answer-5-7
years
What is the anticipated image file size in kilobytes for a computed radiography digital
image comprised of a 512 x 512 matrix with a 12-bit depth? - Answer-393.216
Digital storage of images for a typical large radiology department that does 150,000
examinations per year (including MRI, CT, Nuc Med, etc.) has been estimated at about
______ terabytes of computer memory per year - Answer-3.2 terabytes
The ____ includes image storage, image query, image retrieval, image print, storage
resource, and examination. - Answer-service class
The higher the number of pixels, the higher the resolution. - Answer-True.
, The adoption of a DICOM standard in the medical imaging industry was designed to -
Answer-allow various vendors to share digital data without proprietary software
constraints.
A/An ____ uses a laser beam that scans in a raster pattern across the film as it is
transported through the digitizer. - Answer-laser film digitizer
A ____ connects all the computers in a system. - Answer-LAN
HIS is known as the industry-standard language in medical imaging. - Answer-false
Laser printers have which of the following components? - Answer-all of the above
All of the following would be hard-copy display systems EXCEPT - Answer-an image on
display on a flat-panel monitor.
Any computer platform that is designed to deal with medical purposes such as medical
care, medical information, and medical research and documentation would be classified
as a/an - Answer-BMI
Light scattering, light leakage, and electron backscattering are examples of conditions
that will cause - Answer-glare
A particular configuration of informatics devices and processes is known as: - Answer-
platform
The DICOM standard has established two classes of information. They are - Answer-
service class and object class
Which is an advantage to the digital environment over film? - Answer-all of the above
elongation - Answer-which of the following occurs when the tube or the image receptor
are not properly aligned
penumbra - Answer-poor spatial resolution is caused by unacceptable levels of
the accuracy of the structural lines actually recorded in the radiographic image
the degree of geometric sharpness
definition - Answer-spatial resolution is
PA chest radiography for evaluation of the heart at 72 in - Answer-which radiography
below exhibits the best recored detail
a piece of tape wrapped around the patients anatomy - Answer-a convenient and easy
patient immobilization method an experienced radiographer will use
Answers Latest Update
The acronym PACS stands for - Answer-Picture Archiving and Communication System
EMR stands for - Answer-electromagnetic radiation and electronic medical record.
Gray scale bit depth determines - Answer-the number of gray shades
What is the anticipated file storage in gigabytes necessary for a computed tomography
examination comprised of 2,200 images, each with a 512 x 512 matrix at 16-bit depth? -
Answer-1.15343 Gb
The service class and object class combine to form a - Answer-SOP unit
"Blooming" is a term that results from the internal process of a monitor rather than the
external light causing reflection off the monitor screen. - Answer-False
What is the anticipated image file size in kilobytes for a computed radiography digital
image comprised of a 2,400 x 2,400 matrix with a 32-bit depth? - Answer-23,040 Kb
Soft copy display of images refers to - Answer-images displayed via a video monitor
Medical images that are sent via teleradiology are sent over a - Answer-WAN
A CT scanner and workstation are considered a SOP. - Answer-true
What is the anticipated file storage in gigabytes necessary for a computed tomography
examination comprised of 1,200 images, each with a 512 x 512 matrix at 32-bit depth? -
Answer-1.258291 Gb
Based upon image file size, the greatest image file size would be created with what type
of diagnostic image? - Answer-digital mammogram
All of the following are advantages to soft-copy display EXCEPT - Answer-images
visualized on film.
Essential characteristics of a PACS include: 1. distribution and retrieval of digital images
2. creation of digital images 3. radiation dosage documentation 4. display of digital
images 5. voice-activated dictation 6. digital image storage and long-term archival -
Answer-1, 4, and 6 only
As a result of film digitizers, - Answer-*Hard copy analog films can be scanned into
digital format
,*Digitized images can be placed into a PACS
*Digitized images can be networked with other DICOM images
all of the above
All of the following are advantages to soft-copy display EXCEPT - Answer-images
visualized on film
Production of a grainy, reticulated image that cannot be corrected in digital post-
processing is the result of - Answer-failure to use a high enough mAs setting.
The Health Insurance Portability and Accountability Act of 1996 (HIPAA) intends to -
Answer-protect a patient's medical information from unauthorized usage and access.
Examples of a biomedical informatics(BMI) platform include - Answer-all of the above
When a technologist uses the PACS or BMI components, password protection should
be adhered and whenever the technologists leaves, they should always log out of the
system to avoid leaving patient information accessible. - Answer-true
Gray scale bit depth ranges from ____ bits to ____ bits. - Answer-8;32
What is the anticipated image file size in bytes for a computed radiography digital image
comprised of a 1,000 x 1,000 matrix with an 8-bit depth? - Answer-1,000,000
When images are sent from a CR workstation to a radiologist viewing station for
interpretation, the workstation and viewing station become a SOP. In this case, -
Answer-the workstation is provider class and the viewing station is user class.
All of the following would be acceptable HIPAA-compliant actions EXCEPT - Answer-
discussing the results of a patient's mammogram with a colleague as you ride the
elevator to lunch.
For how many years do many institutions store radiographic film images? - Answer-5-7
years
What is the anticipated image file size in kilobytes for a computed radiography digital
image comprised of a 512 x 512 matrix with a 12-bit depth? - Answer-393.216
Digital storage of images for a typical large radiology department that does 150,000
examinations per year (including MRI, CT, Nuc Med, etc.) has been estimated at about
______ terabytes of computer memory per year - Answer-3.2 terabytes
The ____ includes image storage, image query, image retrieval, image print, storage
resource, and examination. - Answer-service class
The higher the number of pixels, the higher the resolution. - Answer-True.
, The adoption of a DICOM standard in the medical imaging industry was designed to -
Answer-allow various vendors to share digital data without proprietary software
constraints.
A/An ____ uses a laser beam that scans in a raster pattern across the film as it is
transported through the digitizer. - Answer-laser film digitizer
A ____ connects all the computers in a system. - Answer-LAN
HIS is known as the industry-standard language in medical imaging. - Answer-false
Laser printers have which of the following components? - Answer-all of the above
All of the following would be hard-copy display systems EXCEPT - Answer-an image on
display on a flat-panel monitor.
Any computer platform that is designed to deal with medical purposes such as medical
care, medical information, and medical research and documentation would be classified
as a/an - Answer-BMI
Light scattering, light leakage, and electron backscattering are examples of conditions
that will cause - Answer-glare
A particular configuration of informatics devices and processes is known as: - Answer-
platform
The DICOM standard has established two classes of information. They are - Answer-
service class and object class
Which is an advantage to the digital environment over film? - Answer-all of the above
elongation - Answer-which of the following occurs when the tube or the image receptor
are not properly aligned
penumbra - Answer-poor spatial resolution is caused by unacceptable levels of
the accuracy of the structural lines actually recorded in the radiographic image
the degree of geometric sharpness
definition - Answer-spatial resolution is
PA chest radiography for evaluation of the heart at 72 in - Answer-which radiography
below exhibits the best recored detail
a piece of tape wrapped around the patients anatomy - Answer-a convenient and easy
patient immobilization method an experienced radiographer will use
