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Radiology Technician Practice Test: Basics of CT Scan
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Radiology Technician Practice Test: Basics of CT Scan
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25 Questions

1. What is the following material with which the patient couch must be constructed?
2. For which of evaluation, first generation CT scanner was designed?
3. How many detectors are in 3rd generation of CT?
4. What is the cause of star artifact in CT?
5. How many detectors were used to measure transmitted beam in first generation CT scanner?
6. By which use in CT beam hardening is increased?
7. What is cause the of cupping artifact in CT?
8. Which of the following is not a source of CT artifacts?
9. Which filters are used in dual source CT?
10. By which the thickness of CT slice is controlled?
11. What is called the relation between patient and the motion?
12. What is the CT number of water?
13. Which is also known as CT number?
14. Which tube uses in CT scan?
15. What is the CT no. of bone?
16. In which of the following material head is enclosed first generation of CT?
17. Which type of filter is used to reduce X-ray beam hardening effect?
18. Which is the 3rd generation in CT?
19. How the CT noise is reduced?
20. What is the pixel size?
21. How is the contrast resolution in CT?
22. What is known as each square in image matrix?
23. Which is the 1st generation in CT?
24. Who developed the mathematics used to reconstruct the CT image?
25. Who invented the CT scanner?

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