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CT QUESTIONS AND ANSWERS RATED 100% CORRECT.
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CT QUESTIONS AND ANSWERS RATED100% CORRECT.
Sectional images are obtained from all of the following except: ANS - Conventional Radiology
The radiation source is outside the patient in all of the following except: ANS - Emission computed
technology
Which acronym has been established by the Radiological Society of North America for use in major
American radiology journals? ANS - CT
Data acquisition refers to: ANS - collecting x-ray transmission readings from the patient.
Which term describes the systematic motion of the x-ray tube as it rotates around the patient to collect
x-ray transmission readings? ANS - Scanning
Which of the following refers to modifying computed tomographic data to make the images more useful
to the observer? ANS - Image manipulation
Who developed the first clinically useful computed tomography scanner? ANS - Hounsfield
Which company pioneered the development of the first clinically useful computed tomography scanner?
ANS - EMI
The radiation used by Hounsfield in his original experiments was: ANS - Gamma rays
Who shared the Nobel Prize in Medicine and Physiology with Hounsfield for his contribution to the
computed tomography technique? ANS - Cormack
,What contribution did Cormack make to the development of clinical computed tomography? ANS - He
developed the solutions to the mathematical problems in computed tomography.
Who developed the first whole-body computed tomography scanner? ANS - Ledley
When a large set of transmission measurements is collected from the patient at different locations and
is used to build up an image of internal anatomy, it is referred to as: ANS - image reconstruction from
projections.
The following developments in computed tomography were introduced during the period between
1973-1983 except: ANS - spiral/helical computed tomography.
Which of the following is best used to describe patient dose in computed tomography? ANS - CTDI and
MSAD
Currently, the electron-beam computed tomography scanner is marketed by: ANS - General Electric
Which of the following are dual-source computed tomography scanners primarily used for imaging?
ANS - Cardiac Imaging
All these elements can be used during data acquisition to reduce patient dose except: ANS - Decreased
pitch
The detectors convert the attenuation data into ____________ signals. ANS - Electrical
The mathematical techniques used by the computer to reconstruct the computed tomography image
are known as: ANS - image reconstruction algorithms.
In computed tomography: ANS - a computer is used to reconstruct images of sectional anatomy.
A computer system consists of: ANS - hardware, software, and people.
, Computer processing involves, in order: ANS - input, processing, and output.
Which of the following characterizes fifth-generation computers? ANS - Artificial intelligence
Which term relates to first-generation computers? ANS - Vacuum tube
Which of the following became the first commercially available computer? ANS - Universal automatic
computer
Computed tomography scanners and magnetic resonance imagers both use a ______for image
processing. ANS - minicomputer
Which of the following describes a method in which instructions are fetched and decoded at any given
time in various stages? ANS - Pipeline processing
The introduction of the integrated circuit etched onto silicon chips and using magnetic disks for storage
was a feature of which generation of computers? ANS - Third Generation
The analog-to-digital converter: ANS - converts analog input into digital data.
All the following represent hardware except the: ANS - computer program
Which of the following is an example of computer software? ANS - Computer Programs
Which of the following directs the activities of the computer using instructions stored in memory? ANS -
Control Unit
Which of the following chips provide temporary storage of data and programs to be processed by the
central processing unit? ANS - RAM chips
Computer memory capacity is expressed in all of the following, except: ANS - megagram (MG).
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