AUGUST 2018 Sub. Code: 1412
DIPLOMA IN RADIOLOGY IMAGING TECHNOLOGY
SECOND YEAR
PAPER II EQUIPMENTS, BASIC TECHNIQUES OF MODERN
IMAGING MODALITIES
Q.P. Code: 841412
Time Three Hours Maximum 100 Marks
Answer All questions.
I. Elaborate on: x 10 30)
1. Explain the basic principle of Magnetic Resonance Imaging.
2. Explain the principle and equipment of computed radiography.
3. Explain the principle of ultrasound image formation and various
modes of ultrasound imaging.
II. Write Notes on: (10 x 5 50)
1. Direct Digital Radiography.
2. Picture Archival and Communication Systems.
3. Mammographic X-ray tube.
4. Properties of ultrasound.
5. Generations of CT.
6. Magnets used in MRI.
7. CT Number.
8. T1 weighted imaging.
9. CT artifacts.
10. CT angiography.
III. Short Answers on: (10 x 2 20)
1. Advantages of computed radiography.
2. Piezoelectric effect.
3. Grid used in mammography.
4. Doppler effect in ultrasound.
5. Larmour frequency.
6. Tesla.
7. Contraindications of MRI.
8. Spiral CT.
9. Scintillation detector.
10. Uses of high frequency probes in ultrasound scan.