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Medical Imaging, Computed Tomography with 100% correct answers
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Medical Imaging, Computed Tomography with 100% correct answers
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Medical Imaging, ComputedTomography
In Conventional Tomography, how do the source and detectors interact with each other? - correct
answer ✔✔The source and detector moves simultaneously.
What kind of images can CT produce? - correct answer ✔✔Coronal, Sagittal, and transverse.
What is one advantage of CT imaging? - correct answer ✔✔Eliminates the superimposition of structures
above and below.
Define Tomography - correct answer ✔✔Imaging of an anatomical cross-section
What are the basic principals of image formation for CT? - correct answer ✔✔Obtain an attenuation
profile of the cross section from multiple directions. To create 3D image back projection is used.
what is the purpose of a slit beam? - correct answer ✔✔It reduces scatter, and creates a better
resolution and ability to differentiate differences in attenuation characteristics. Such as soft tissue, bone,
fat, tumor, blood and cerebral fluid.
What does CAT stand for? - correct answer ✔✔Computerized Axial Tomography
Which generation of CT scanners is most often used? - correct answer ✔✔Generation 6 Helical or Spiral
scanners. Has couch motion and tube rotation simultaneously.
What are some improvements newer generations of CT scanners have? - correct answer ✔✔360 degrees
of detectors, multiple detector parallel layers, reduces time for scan, patient exposure is reduced,
increased image resolution.
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