Computed Tomography Exam 2025
Questions and Answers
Godfrey Hounsfield in 1970 - ANSWER✔✔-Who invented CT and when
1st generation scanner - ANSWER✔✔-Pencil beam
Single Detector
Translates 1 degree
Took 5 minutes to get data for one slice
Slow - ANSWER✔✔-Disadvantage of 1st generation scanner
2nd generation scanner - ANSWER✔✔-Fan shaped beam
Multiple detectors
Translates 5 degrees
30 seconds to get one slice
Fast - ANSWER✔✔-Advantage of 2nd generation scanners
Increased does towards edges - ANSWER✔✔-Disadvantages of 2nd gen scanner
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
Questions and Answers
Godfrey Hounsfield in 1970 - ANSWER✔✔-Who invented CT and when
1st generation scanner - ANSWER✔✔-Pencil beam
Single Detector
Translates 1 degree
Took 5 minutes to get data for one slice
Slow - ANSWER✔✔-Disadvantage of 1st generation scanner
2nd generation scanner - ANSWER✔✔-Fan shaped beam
Multiple detectors
Translates 5 degrees
30 seconds to get one slice
Fast - ANSWER✔✔-Advantage of 2nd generation scanners
Increased does towards edges - ANSWER✔✔-Disadvantages of 2nd gen scanner
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1