AUGUST 2018 Sub. Code: 1404
DIPLOMA IN RADIOLOGY IMAGING TECHNOLOGY
FIRST YEAR
PAPER IV X-RAY FILM/IMAGE PROCESSING TECHNIQUES
Q.P. Code 841404
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Draw a cross section view of Intensifying screen and explain about its function.
2. Draw a diagram of dark room layout and explain the design of dark room.
3. What are the constituents of fixer solution and explain each of them?
II. Write notes on: (10 x 5 50)
1. What are the types of Intensifying screen? Explain each of them.
2. Define H.D. curve and describe about the characteristic curve.
3. What are the Dark room illuminations? Explain each of them.
4. What are factors affect the fixing time and clearing time?
5. What is computed radiography and describe about the principle of
computed Radiography?
6. How will you give care for X-ray cassette?
7. What is film Hanger? Describe about various types of Hanger?
8. How will you test for light leakage cassette?
9. What are the differences between automatic and manual processing?
10. How will you store the unexposed X-ray film in the X-ray department?
III. Short answers on: (10 x 2 20)
1. Define Afterglow.
2. Write about dental X-ray film.
3. Define image sharpness.
4. What is Dichroic fog?
5. Describe on calcium tungstate.
6. What are the photosensitive materials?
7. What is Buffer solution?
8. Define X-ray Cassette.
9. What is Hardener? Where it is present?
10. Define Gadolinium Oxysulfide.