Ct scan quiz
CT Scan Knowledge Challenge
Test your understanding of CT scan technology with our engaging quiz! Dive into the history, principles, and advancements in computed tomography.
Designed for medical students, professionals, and enthusiasts, this quiz features:
- 30 thoughtfully crafted questions
- Multiple choice and checkbox formats
- Detailed knowledge checks from basics to advanced concepts
What year does With the goals to carry out dynamic volumes scanning to accommodate imaging the dynamics of organ system with high temporal resolution
1975
1979
1967
What year does methods to images specific body layers or sections of the body were under developed
1940
1920
1950
He is a a consultant at Atkinson-Morley’s Hospital
Dr. Ladley
Dr. Ambrose
Dr. Hounsefield
he derived a mathematical theory for image reconstruction
William Oldendorf
Allan Macleod Cormack
Watson
What year does Transverse Tomography using Radioisotopes was further developed
1979
1940
1963
Use a brushlike apparatus to provide continuous electric power and electronic communication across a rotating surface
X ray tube
Patient table
Gantry
Slip ring
Filtering x-ray beam helps to reduce the radiation dose to the patient and improves image quality
Filtration
Xenon gas detector
It is a table top is usually made of Carbon fiber
X ray system
Patient table
Gantry
Tube enclosure: metal envelopes instead of glass Cathode assembly: consists of tungsten filaments positioned in a focusing cup Internal Getter: made of Barium
Ct scan (x ray tube)
X-ray system (generator
Ct detector
Uses three-phase power for the efficient production of x-rays
Anode
X-ray system (generator)
X-ray tube
Capture the radiation beam from the patient and convert it into electrical signals, which are subsequently converted into binary coded information
Xenon gas detector
Solid state crystal
Ct detector
All Metal Disk Design except
Base body: titanium, zirconium, molybdenum
Advantage: high heat storage capacity and faster anode cooling
Focal track layer: 10% rhenium, 90% tungsten
Disadvantage: weight/heavy
Brazed Graphite Anode Disk except
Base body graphite
Base body: titanium, zirconium, molybdenum
ϝ Focal track layer: tungsten-rhenium
Advantage: high heat storage capacity and faster anode coolin
Chemical Vapor Deposition (CVD) Graphite Disk except
Sensitive to fluctuation in temperature and moisture
Base body graphite
This design can accommodate large, lightweight disks w/ large heat-storage capacity and fast cooling rates
Focal track: tungsten-rhenium
Xenon Gas Detector except
Advantage: ability to remain stable under pressure, cheaper, easier to callibrate
Disadvantage: weight/heavy
Disadvantage: xenon gas must be kept under pressure in an aluminium
determines the radiation dose profile and patient radiation dose
Predetector collimator
Prepatient Collimator
Solid State Crystal (Scintillation Detect) except
Advantage: higher absorption coefficient (100%) / Xenon 60-70
Composition: cadmium tungstate, bismuth germinate, cesium iodide, gadolinium or yttrium
Disadvantage: xenon gas must be kept under pressure in an aluminum
Disadvantage: sensitive to fluctuation in temperature and mo
Basics of ct scan
Absroption
Scattering
Scanning
Positioning
determines the sensitivity profile and improves image contrast
Prepatient collimator
Predetector collimator
He development of the first clinical CT scanner began in 1967 at the Central Research Laboratories of EMI, Ltd. in England
Godfrey N. Hounsfield
Gabriel Frank
Dr. James Ambrose
What year does J. Radon proved it possible to reconstruct or build up an image of two- or three-dimensional object from a large number of projections from different direct?
1920
1935
1971
A ring/doughnut shaped and has aperture size: around 70-90 cm Can be tilted forward/backward (15-30°) Has a laser light for positioning
Slip ring
Gantry
Xray tube
What year does Boyd introduced EBCT
1975
1979
1963
1980
In 1960 he is an American neurologist for Los Angeles, performed a series of experiments based on principles similar to those later used in CT
Dr. Robert Ladley
William oldendorf
David E. Khul
He described the basic idea of today’s tomography
1971 Dr. James Ambrose
1937 Watson
1940 Gabriel Frank
What year does Watson developed another tomographic technique and it was reffered as transverse axial tomography
1937
1940
1935
1974
He redifined the technique and labeled it tomography
1971 Dr. James Ambrose
1960 William Oldendorf
1935 Grossman
1937 Watson
What year does Godfrey N. Hounsfield Died?
November 3, 1993
May 7, 1998
April 22, 2005
August 12, 2004
What year does Allan Cormack died?
May 9, 2001
May 7, 1998
May 8, 1998
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