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Computed Tomography Questions and Correct Answers/ Latest Update / Already Graded

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2024/2025 Written for academic year
Institution Computed Tomography
Course Computed Tomography
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Godfrey Hounsfield in 1970 Ans: Who invented CT and when 1st generation scanner Ans: Pencil beam Single Detector Translates 1 degree Took 5 minutes to get data for one slice Slow Ans: Disadvantage of 1st generation scanner 2nd generation scanner 2 | Page Ans: Fan shaped be

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Computed Tomography Questions and
Correct Answers/ Latest Update /
Already Graded
Godfrey Hounsfield in 1970


Ans: Who invented CT and when




1st generation scanner


Ans: Pencil beam


Single Detector


Translates 1 degree


Took 5 minutes to get data for one slice




Slow


Ans: Disadvantage of 1st generation scanner




2nd generation scanner

, 2 | Page

Ans: Fan shaped beam


Multiple detectors


Translates 5 degrees


30 seconds to get one slice




Fast


Ans: Advantage of 2nd generation scanners




Increased does towards edges


Ans: Disadvantages of 2nd gen scanner




3rd generation scanner

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