FEBRUARY 2017 Sub. Code: 1824
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
SECOND YEAR
PAPER IV QUALITY CONTROL IN RADIOLOGY
Q.P. Code: 801824
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Explain various aspects of quality control in digital imaging.
2. Write in detail about acceptance testing of CT scanner.
3. Quality assurance tests for Fluoroscopy units.
II. Write notes on: x 5 40)
1. Explain about the quality assurance of radiopharmaceuticals.
2. Explain about radiation dose. Give examples of measuring units.
3. Mechanical tests for CT.
4. List the sources of radiation. Explain about Off- focus radiation.
5. Write about Total filter estimation.
6. Write about biological effects of radiation.
7. Write about X-ray beam perpendicularity.
8. Explain the Film- screen contact test.
III. Short answers on: (10 x 3 30)
1. Define quality assurance.
2. Explain about evaluation of artefacts.
3. Explain how to check X-ray beam quality.
4. Name the different regulatory bodies.
5. Explain about staggered autoradiography.
6. Write about QA phantom.
7. Explain Conversion factor.
8. What is occupational exposure?
9. Explain the Patient exposure test.
10. Explain scintillation detector.