Diagnostic Oral Radiology Midterm Questions PDF

Diagnostic Oral Radiology Midterm Questions - by; Asma Zaridullah and Wajjd Abdullah. 1. Which of the following projections can help to compare both maxillary sinus? Ans= Occipital mental view. 2. What is the minimum voltage of characteristics...

Diagnostic Oral Radiology Midterm Questions - by; Asma Zaridullah and Wajjd Abdullah. 1. Which of the following projections can help to compare both maxillary sinus? Ans= Occipital mental view. 2. What is the minimum voltage of characteristics radiation ? Ans= 70 voltage. 3. Which of the following is the source of electrons? Ans= Filaments. 4. If too steep vertical angulation in periapical radiography? Ans= Foreshortening. 5. Which of the following vertical angulation is for mandibular premolars? Ans= -10. 6. Which of the following color coded for posterior teeth lm holders? Ans= Yellow. 7. Which of the following faulty radiograph? Ans= Cone cut. (Check the image below) 8. Which of the following faulty radiography? Ans= Light spots. (Check the image below) 9. What is the main bene t of automatic lm processing? Ans= No need for dark room. 10. Which of the following is the clearing agent? Ans= Sodium Thiosulfate. 11. Which of the following is the restrainer? Ans= Potassium bromide. 12. Which of the following is the preservative? Ans= Sodium Sulfate. 13. Which of the following ingredients will cause gelatin to swell? Ans= Sodium bicarbonate. 14. Which of the following is the variation in true size and shape? Ans= Distortion. 15. Which of the following will result in divergent path of X-ray? Ans= Magni cation. 16. Which of the following is the di erence of black or white areas? Ans= Contrast. 17. Which of the following is the critical organ in radiography exposure? Ans= Thyroid. 18. Which of the following is the radiosensitive organ in radiograph exposure Ans= Lymphoid tissue. 19. Which of the following is the radio resistant organ? Ans= Muscle. 20. Which of the following causes ionization? Ans= Compton scatter. 21. Which of the following toxin will be formed after water radioloysis? Ans= Hydrogenperoxide. 22. What does ALARA principle stands for? Ans= As low as reasonably achievable. 23. Which of the following is the maximum permissible dose for general public? Ans= 0.1rem/year. 24. Which of the following represents the picture? Ans= Film badge. (Check the image below) 25. Which of the following angles in position distance rule? Ans= 90-135 degrees. 26. Which of the following should be done before radiography procedure? Ans= Cover dental chair with plastic. 27. Which of the following non-critical instrument? Ans= Lead apron. 28. Which of the following is checked by the use of coin test? Ans= Safelight leakage. 29. Which of the following is the anatomical land mark? Ans= Coronoid process. 30. Which of the following is the radiolucent in the apex of mandibular premolars? Ans= Mental foremen. 31. Which of the following appears as ‘U’ shaped radioapacity ? Ans= Zygomatic process. 32. Which of the following is the anatomical landmark? Ans= Nasal fossa. (Check the image below) 33. Which of the following is the anatomical landmark? Ans= Anterior nasal spine. (Check the image below) 34. Which of the following projection evaluates soft tissue outline on the face? Ans= Lateral cephalomertic view. 35. Which of the following is the element for green sensitive lms? Ans= Rare earth metals. 36. Which of the following is the imaginary zone in panoramic? Ans= Image layer. 37. Which of the following modalities used for all soft tissues? Ans= MRI. 38. Which of the following modalities used will cause the patient to be claustrophobic? Ans= MRI. 39. Which of the following disadvantages of CT when used with metallic restorations? Ans= Streak artefacts. 40. Which of the following is the disadvantage of CBCT? Ans= Size of eld view. 41. Which of the following is the advantage of CBCT? Ans= Reduced radiation. 42. Which of the is used to capture the radiography image? Ans= Sensor. 43. Which of the following is used in wireless system imaging? Ans= Phosphor plates. 44. Which of the following is the disadvantage of digital imaging? Ans Rigid sensors. 45. Which of the following advantage of digital imaging? Ans= Superior resolution.  Question: 7. Question: 8. Question: 24. Question: 32. Question: 33.