[LO 0219] FEBRUARY 2019 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. Describe the workflow on automatic film processor unit.
2. Draw a cross section diagram of an intensifying screen and list its functions.
3. What are the constituents of developer and explain in detail?
II. Write notes on: (10 x 5 50)
1. What is dark room illumination and safe light?
2. Describe the various processing faults.
3. What are factors affect the fixing time and clearing time?
4. How will you give care for X-ray cassettes?
5. List the factors affecting the speed of screen.
6. What are the criteria for a good Radiograph?
7. Artifacts in X-ray films.
8. Test for light leakage.
9. Mammography film.
10. Characteristic curve.
III. Short answers on: (10 x 2 20)
1. Write short note on film fixing.
2. What are blue sensitive films?
3. What is Dichroic fog?
4. What is Buffer solution?
5. Explain about dental films.
6. What are panchromatic films?
7. Fluorescence.
8. Latent image.
9. Pass box in dark room.
10. Phosphorus used in screens.