1. The term ALARA refers to

Question 1 of 20

2. Maximum cupping artifact is seen in

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

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4. Hyperbaric oxygen is beneficial to the patients with

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

Question 5 of 20

6. filters are used in x ray beam to

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

Question 7 of 20

8. zygomatic arch fractures are best seen in

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9. the most common cause of light radiographs is

Question 9 of 20

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

Question 10 of 20

11. all of the following increases radiation exposure except

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

Question 12 of 20

13. phosphorus-32 emits

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14. The disadvantage of digital radiography over conventional radiography

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15. which is the best technique for detecting proximal caries in children with minimum radiation exposure

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16. 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 16 of 20

17. Which of the following converts electrons into x-rays?

Question 17 of 20

18. Which intra-oral radiographs are the most useful in detecting interproximal caries?

Question 18 of 20

19. radiographs alone can detect in a pocket

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20. If exposure is doubled but tube current and voltage remains constant then

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