[LO 0219] FEBRUARY 2019 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 various generations of CT scanner.
2. Explain the principles of mammography.
3. Interactions between Ultrasound and matter.
II. Write Notes on: (10 x 5 50)
1. T1 and T2 relaxation time.
2. Proton density imaging.
3. CT Number.
4. Hounsfield unit.
5. Artifacts in MRI Scan.
6. Safety aspects in CT Study
7. Explain Ultrasound display modes.
8. Gradient coils in MRI.
9. MR angiography methods.
10. Artifacts in CT Scan.
III. Short Answers on: (10 x 2 20)
1. Type of Probes used in Ultra sonogram.
2. Specify some CT guided procedures.
3. Phosphor used in computed radiography.
4. Name two contrast agents used in MRI.
5. Beam hardening Artifact.
6. Dual energy CT scan.
7. Explain FLAIR, STIR.
8. Piezoelectric effect.
9. Faraday cage.
10. PET CT.