FEBRUARY 2017 Sub Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER I EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time Three Hours Maximum 100 Marks
Answer All questions.
I. Elaborate on x 10 30)
1. Explain CT artifacts in detail.
2. Explain about MRI equipment.
3. Explain interaction of Ultrasound with matter, and different display
modes in Ultrasound.
II. Write Notes on: x 5 40)
1. Explain spiral CT.
2. Explain xenon gas detectors in CT.
3. Explain CT windowing.
4. Explain the construction of Ultrasound transducer.
5. Various pulse sequence in MRI.
6. Explain the physical principle of mammography machine.
7. Principle of PET-CT.
8. Explain types of transducers used in Ultrasound.
III. Short Answers on: (10 x 3 30)
1. What is FID in MRI?
2. Explain larmour frequency in MRI.
3. Define pixel in CT.
4. Explain Piezo electric effect.
5. Uses of PACS.
6. Principle of DSA.
7. Define mass attenuation co efficient.
8. Bio effects of MRI.
9. Gradient coils in MRI.
10. What are the advantages of PET-CT?