Computed Tomography Ch 1-4 Quiz with
Accurate Answers
______ is responsible for high speed processing of the input digital data. correct
answer Internal image processor
______ refers to using one or more software and or hardware techniques to
reduce information by removing unnecessary data. correct answer Digital
compression
A 10x10 matrix consists of _________ pixels correct answer 100
A beam tracing a spiral path around the patient is known as correct answer
Helical CT
A computer system consists of correct answer hardware, software, and people
A computer's hardware receives its instruction from the ____ correct answer
Software
A histogram in digital image processing is correct answer A plot of the number of
pixels as a function of the number of gray levels
A non-imaging application important to radiology and used for storing and
viewing images is called correct answer PACS
An analog to digital convertor is: correct answer Analog signal converted to digital
for viewing
, An example of binary numbering is: correct answer 01011
Analog images are correct answer Continuous, such as a black and white
photograph
As the matrix size gets bigger, the pixel size correct answer gets smaller
Bits are not continuous but rather they are ______ units. correct answer Discrete
COBOL is a language common to business application. True or False correct
answer TRUE
Computer processing involves, (in order) correct answer Input, processing, output
CT imaging of blood vessels opacified by contrast media is known as: correct
answer CT Angiography
CT imaging of healthy people as a means to detect early disease is known
as_________ correct answer CT Screening
CT scanners and MRI both use a _______ for image processing. correct answer
Minicomputer
Data acquisition refers to the systematic collection of information from the _____
to produce CT images correct answer Patient
Accurate Answers
______ is responsible for high speed processing of the input digital data. correct
answer Internal image processor
______ refers to using one or more software and or hardware techniques to
reduce information by removing unnecessary data. correct answer Digital
compression
A 10x10 matrix consists of _________ pixels correct answer 100
A beam tracing a spiral path around the patient is known as correct answer
Helical CT
A computer system consists of correct answer hardware, software, and people
A computer's hardware receives its instruction from the ____ correct answer
Software
A histogram in digital image processing is correct answer A plot of the number of
pixels as a function of the number of gray levels
A non-imaging application important to radiology and used for storing and
viewing images is called correct answer PACS
An analog to digital convertor is: correct answer Analog signal converted to digital
for viewing
, An example of binary numbering is: correct answer 01011
Analog images are correct answer Continuous, such as a black and white
photograph
As the matrix size gets bigger, the pixel size correct answer gets smaller
Bits are not continuous but rather they are ______ units. correct answer Discrete
COBOL is a language common to business application. True or False correct
answer TRUE
Computer processing involves, (in order) correct answer Input, processing, output
CT imaging of blood vessels opacified by contrast media is known as: correct
answer CT Angiography
CT imaging of healthy people as a means to detect early disease is known
as_________ correct answer CT Screening
CT scanners and MRI both use a _______ for image processing. correct answer
Minicomputer
Data acquisition refers to the systematic collection of information from the _____
to produce CT images correct answer Patient
