FEBRUARY 2018 Sub. Code: 1824
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
THIRD 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 about the quality control procedures of Computed tomography.
2. Explain the role of a radiation safety officer in the quality control program.
3. Describe the quality control procedures of cath lab X-ray equipment.
II. Write notes on: x 5 40)
1. Write about Quality assurance test of Linear accelerator.
2. Explain the Grid alignment test.
3. Write about Film and chemical storage.
4. Write about Screen-film-cassette speed matching.
5. Explain the Light field and X-ray field alignment test.
6. Write about the different types of Artefacts.
7. Write in detail about the Contrast sensitivity of fluoroscopy unit.
8. Explain how to check consistency in Radiography unit output.
III. Short answers on: (10 x 3 30)
1. What is CT dose index?
2. What is the use of film hangers?
3. Define quality control
4. How to maintain screen cleanliness?
5. How does Dark room fog affect quality?
6. What is the use of Densitometer?
7. Explain measurement of CT dose index
8. Write about Focal spot size assessment
9. List the benefits of quality assurance in an imaging department.
10. What is Tube voltage measuring device? Explain its use.