1. ALARA principle stands for

Question 1 of 20

2. in normal dental diagnostic procedures the principal radiation hazard to the operator is produced by

Question 2 of 20

3. It is generally desirable that x-ray films be all of the following except

Question 3 of 20

4. which is the best method to reduce radiation exposure to patient during a full mouth series

Question 4 of 20

5. radiographically,in early caries one can mistake a radiolucent line below the DEJ for

Question 5 of 20

6. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus area

Question 6 of 20

7. Elongation (the most common error) can be caused by

Question 7 of 20

8. Dose equivalent is expressed in terms of

Question 8 of 20

9. in radionucleotide imaging the most useful radio pharmaceutical for skeletal imaging is

Question 9 of 20

10. While taking IOPA radiographs of maxillary 1st molar, to avoid superimposition of the zygomatic arch, the x ray tube should be angulated :

Question 10 of 20

11. Radiotherapy is not used in

Question 11 of 20

12. What is the "critical target" for radiation damage

Question 12 of 20

13. characteristic 'tram line' calcifications in the skull radiographs is observed in

Question 13 of 20

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

Question 14 of 20

15. moth eaten appearance is seen in all except

Question 15 of 20

16. Linear accelerators used in medical radiology produce which type of particles

Question 16 of 20

17. Bone death in radiation seen after radiation level of

Question 17 of 20

18. The term ALARA refers to

Question 18 of 20

19. the technique employed in radiotherapy to counteract the effect of tumor motion due to breathing is known as

Question 19 of 20

20. Oxygen deficient cells are

Question 20 of 20