AUGUST 2018 Sub. Code: 1836
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
(New Syllabus 2014-2015)
THIRD YEAR
PAPER I EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801836
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Discuss in detail the various generations of the CT scanners. Mention the
advantages of the multislice CT scanner over conventional CT.
2. Describe in detail the various parts of a mammography equipment.
3. Describe about the different flat panel detectors used in X-ray imaging.
II. Write notes on: x 5 40)
1. Explain the principle of PET-CT.
2. Explain Fraunhoffer Zone in Ultrasound.
3. Spin echo sequence.
4. Superconductive magnet.
5. Factors affecting image quality in computed radiography.
6. Larmor frequency in MRI.
7. Factors affecting image quality in MRI.
8. Nuclear imaging in myocardial perfusion.
III. Short answers on: (10 x 3 30)
1. Piezo-electric effect.
2. Flip angle.
3. Ring artifacts.
4. CT number.
5. What is wrap around artifact in MRI?
6. Scintillation detector.
7. B mode in ultrasound.
8. T2w imaging.
9. What is the basic principle of DSA?
10. What are the uses of PACS?