FEBRUARY 2018 Sub. Code: 1838
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
(New syllabus 2014-2015)
THIRD YEAR
PAPER III QUALITY CONTROL, RADIOBIOLOGY AND RADIATION
SAFETY IN RADIODIAGNOSIS IMAGING
Q.P. Code: 801838
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Explain in detail about the biological effects of radiation.
2. Describe about the various radiation detectors used in radiology.
3. Write at least five main quality assurance procedures required for a
conventional X-ray machine.
II. Write notes on: x 5 40)
1. TLD badge.
2. Dose reduction strategies in fluoroscopy.
3. CTDI measurement.
4. Dose limits occupational and public.
5. Basic elements of radiation safety.
6. Tube current modulation in CT.
7. Grid alignment test.
8. Table top dose measurement.
III. Short answers on: (10 x 3 30)
1. Absorbed dose.
2. ALARA.
3. Workload.
4. AERB.
5. CTDI.
6. Inverse square law.
7. Mutation.
8. Effective dose.
9. Use factor.
10. Filtration.