FEBRUARY 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. Explain in detail the basic imaging concepts in MR imaging.
2. Describe about the various flat panel detectors in X-ray imaging.
3. Describe in detail the various parts of mammography equipment.
II. Write notes on: x 5 40)
1. Gradient echo sequence.
2. CR reader.
3. Types of magnets in MRI.
4. Multi detector CT.
5. Ultrasound transducer.
6. 3 Artefacts in CT.
7. Effect of contrast agents used in MRI.
8. Factors affecting image quality in CT.
III. Short answers on: (10 x 3 30)
1. Linear attenuation co-efficient.
2. TR and TE.
3. T1w imaging.
4. Zebra artifact in MRI: cause and remedy.
5. Phased array transducer.
6. Curie temperature.
7. Precessional frequency.
8. Resonance.
9. Tomography.
10. Filtration in X-ray imaging.