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SUMMER 2018-RADI 103-WEEK5

Terms in this set (43)

In general larger monitors have higher resolutions.
TRUE
The display area of a standard Barco monitor is larger than a 14x17 inch cassette
FALSE
3MP and 5MP Barco monitors cost about the same.
FALSE
Barco monitors come with a standard VESA 100 mm mount in the back.
TRUE
Monitors in the operating room present a different set of challenges than those found in a radiology reading room.
TRUE
The standard size Barco monitor is?
21"
The optimum viewing range for reading medical images is?
18"
What is the range of bezel thickness on Barco monitors?
.5-2"
A 21 inch monitor set to display 1536x2048 is at what resolution?
3MP
The relationship between the physical size of the monitor and resolution is called the ?
PIXEL PITCH
The minimum allowable brightness according to ACR guidelines is?
170 CD/M
The average life span of a Barco monitor is?
5 YEARS
The main component in a monitor that determines how long it lasts is the?
BACKLIGHT
Barco makes video cards for their monitors that will fit into which three types of expansion slots?
PCI PCI EXPRESS AGP
Many hospitals use workstations with Barco monitors in areas such as ER and ICU.
TRUE
Most PACS systems are Windows based
TRUE
Any off the shelf video card will be able to run the Barco monitors
FALSE
A uni-viewer also called a universal viewer or zero foot print viewer used standard DICOM web protocols to access images from an archive or more commonly a VNA. It is called a universal viewer because it uses standard DICOM protocols and works with any PACS system.
TRUE
Mammography reading requires a resolution of?
5 MP
If most PACS systems are Windows based than most PACS systems web client will require which Internet browser?
INTERNET EXPLORER
Which web client utilizes an image cache on the server?
THIN CLIENT
Which web client utilizes an image cache on the local drive?
THICK CLIENT
The two most common distinctions of viewing stations is?
REVIEW STATION/DIAGNOSTIC STATIONS
Which 2 monitor resolutions are used to make diagnostic interpretations for modalities other than mammography?
3 MP 5 MP
PACS web clients fall into two categories they are ?
THIN AND THICK CLIENT
With CR if the patient is under-exposed it will create a noisy image
TRUE
With CR if the patient is over-exposed it will create a noisy image.
FALSE
Image availability is faster with DR.
TRUE
DR plates are cheaper to manufacture than CR plates
FALSE
All CR or DR images get processed the same. A chest image is processed the same as an extremity.
FALSE
In theory a CR plate should last forever however in reality the lifetime of a CR plate is determined by how well maintained it is.
TRUE
A typical CR image might produce a 2 by 2.5k image containing ten bits of data
TRUE
CR plates and DR plates look identical.
FALSE
A CR plate that works in an AGFA cassette would also work in a FUJI cassette
FALSE
CR technology uses a
STIMULABLE PHOSPHER PLATE
DR technology uses a
SELENIUM DETECTOR
How is a CR plate erased after being read by the laser?
exposing the plate to intense light
Which DX SOP class image data output selection is used for unprocessed raw data?
for processing
In general most CR plates are replaced how often?
EVERY 5 YEARS
What are the two basic DR acquisition technologies?
scintillation method photoconductor method
The DX SOP class has two options for image data output. They are
for processing FOR PRESENTATION
What would happen in the technologist enters the wrong body part or exam type into the CR or DR unit?
The wrong processing algorithm would get applied and the image would not be of diagnostic quality.
if you were a technologist would you rather work in a CR equipped room or a DR equipped room? Why did you choose one over the other?
DR BC IT IS NEW TECHNOLOGY AND FASTER
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