1. The size of the x-ray tube focal spot influences radiographic ____.

Question 1 of 20

2. On a routine radiographic examination, a well-defined radiolucent lesion was seen in the body of the mandible of a 17-year-old boy. At the time of operation, it proved to be an empty cavity. What is this lesion?

Question 2 of 20

3. Best radiograph to view fracture of condyle is

Question 3 of 20

4. which one of the following is used to show base of skull,sphenoid sinus,position and orientation of the condyles and fractures of zygomatic arch

Question 4 of 20

5. Hyperbaric oxygen is beneficial to the patients with

Question 5 of 20

6. on the radiograph the mesial site of mandibular 1st molar revealed bone loss of 2-3 mm.on probing 6mm pocket was revealed.the discrepancy could be due to

Question 6 of 20

7. Best view for TMJ derangements is

Question 7 of 20

8. which of the following malignant tumour is radioresistant

Question 8 of 20

9. Maximum fogging effect is seen by

Question 9 of 20

10. craniospinal irradiation is useful in which of the following condition

Question 10 of 20

11. radioisotopes are used in the following technique except

Question 11 of 20

12. Lamina dura, Nasal fossa and maxillary sinus appear distinct and clear in a radiograph due to

Question 12 of 20

13. Film size used to evaluate TMJ

Question 13 of 20

14. Which property of x-ray is utilised in intensifying screens

Question 14 of 20

15. which type of radiation effect results in radiation induced thyroid cancer

Question 15 of 20

16. SI unit of radioactivity is

Question 16 of 20

17. In the body which atom is useful in magnetic resonance imaging(MRI)

Question 17 of 20

18. Sharpness of image is increased by

Question 18 of 20

19. What is the role of potassium bromide and benzotriazole in developer

Question 19 of 20

20. which of the following restorative material is the most radiolucent

Question 20 of 20