10 Questions
What is the primary difference between EBCT and traditional CT scanners?
The use of a stationary tungsten ring
What is the advantage of increasing the number of detector rows in CT scanners?
Ability to acquire multiple channels of data simultaneously
What is a key determinant of image quality in CT scans?
The focal spot of the X-ray tube
What is a common artifact that can occur in CT scans?
All of the above
Why is knowledge of CT artifacts important?
Because they can mimic pathology
What type of artifact is caused by the X-ray beam passing through dense tissues?
Beam hardening
What is the benefit of using a dual-source CT scanner?
Increased scan speed
What is the effect of increasing slice thickness in CT scans?
Reduced radiation dose and improved SNR
What type of artifact is caused by data inconsistencies between adjacent slices?
Stair step artifact
What is the name of the artifact caused by incomplete data sampling?
Aliasing
This quiz covers the technical aspects of CT scanners, including engineering principles, image quality factors, and artifact identification. It also explores the evolution of CT scanners across different generations.
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