WorksheetsCN 7 Review quiz
Total questions: 20
Worksheet time: 16mins
Scatter radiation ____ contrast and _______ patient dose
increases, increases
decreases, increases
decreases, decreases
increases, decreases
This is known as the picture element?
voxel
pixel
matrix
dexel
X-Ray Quantity is _______ to the mAs.
Proportional
Inverse
Equal
Greater
An increase of 15% kVp must be followed by a __% reduction in mAs.
85%
90%
50%
35%
Click each answer that applies:
Conventional radiography:
processes the latent image to be converted to visible light
uses intensifying screens and film
None of the above
Click each answer that applies:
digital imaging may be defined as:
image that can be viewed and manipulated on a computer
process that produces an electronic image
is available in all modalities of diagnostic imaging
Click each answer that applies:
Computed radiography:
utilizes cassette and reader in obtaining image
cassette is phosphor-coated plate
the plate is exposed to UV light, energy is released and converted to visible image by the computer
Digital Radiography :
uses a flat panel detector system so it is referred to as a cassette-less system
uses detectors that absorb x-ray
x-ray energy is converted to electrical signal that computer processes and displays on monitor
All the above
Click each answer that applies:
Limitations of Film-Screen Radiography include:
limited exposure latitude
limited contrast resolution
contrast is adjustable once it is processed
density is adjustable once it is processed
Look-up table is:
a table that is not related to radiography
a table within the computer that maps image density
a table within the computer that maps image grayscale values
PACS is defined as
Primary Archiving and Communications Systems
Picture Achieving and Communication Systems
Picture Archiving and Communication Systems
Grid cut off is:
the unwanted transmission of the x-ray beam
the unwanted absorption of the x-ray beam
the blackening of the x-ray image
PACS is a computer system that allows images to be:
viewed
manipulated
transferred
stored
All the above
The EMR (electrical medical record) is part of the __________.
RIS
HIS
PACS
Pick One Word that describes what a Rad Tech is to you!
