18 Questions
Toshiba introduced a 320-slice helical CT in ______
2005
The Aquilion One Vision Edition has a gantry rotation of ______ seconds
0.275
Compound axial tomography is also known as ______
computed transaxial tomography
CT eliminates ______ for better imaging
superimposition
______ is a disadvantage of CT scans
high patient dose
The main CT process includes data acquisition, ______, and image display
reconstruction
Wilhelm Conrad Roentgen discovered x-rays in Würzburg, Bavaria, Germany in the year ______
1895
William David Coolidge invented the hot cathode x-ray tube in the year ______
1913
Johann Radon demonstrated that the image of a 3-dimensional object can be reconstructed from an infinite number of 2-dimensional projections, providing the mathematical basis for CT image construction in the year ______
1917
André Bocage developed focal-plane tomography in the city of ______
Paris
Allesandro Vallebona proposed a method to represent a single slice of the body on the radiographic film called ______
topography
Godfrey Newboid Hounsfield first demonstrated the CT technique in the year ______
1968
In 1968, Godfrey Newboid Hounsfield first demonstrated the CT ______.
technique
The first clinical CT Scan in London in 1971 used a prototype EMI Head scanner with an 80x80 ______.
matrix
In 1972, Godfrey Hounsfield & James Bull showed the first clinical CT images in ______, USA.
New York
The first clinical whole body CT scanner in the USA was introduced in 1973 with a 320 x 320 ______.
matrix
In 1975, a prototype of the EMI CT1010 body scanner was installed at Atkinson Morley's Hospital in ______, UK.
London
In 1980, major development in CT Scanners included a 1024 x 1024 ______ and 1 to 3 secs scan time.
matrix
This quiz covers the principles and concepts of Computed Tomography (CT) as a diagnostic imaging modality, relevant terms in CT, the composition of a CT gantry, and quality assurance/quality control (QA/QC) tests in CT. It also includes a brief historical overview from the discovery of x-rays to the development of the hot cathode x-ray tube.
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