55. Radiographically, driven snow appearance is seen with:
A. Adenomatoid odontogenic tumour
B. Calcifying odontogenic cyst
C. Calcifying epithelial odontogenic tumour
D. Keratocyst

55. Answer is: C- Calcifying epithelial odontogenic tumour
(Ref: Shafers 5th / 392) Repeat AIPG-06.

56. Disadvantage of a grid is:
A. Increases exposure time.
B. Decreases clarity.
C. Causes blurring of image.
D. More skin dose.

56. Answer is: A- Increases exposure time.
(Ref: White and Pharoah -5th / 85) AIIMS-NOV-05

57. Consistent radiographs are maintained by:
A. Constant mA & kVp.
B. Automatic processing.
C. Using long cone technique
D. Fixed processing time.

57. Answer is: B- Automated processing. (My guess)
(Ref: White & Pharoah 5th / 103)

58. Contrast on a radiograph is:
A. Dark areas on a radiograph.
B. Range of densities on a radiograph.
C. Overall darkening of the radiograph.
D. Light areas on the radiographs.

58. Answer is: B- Range of densities on a radiograph.
(Ref: White & Pharoah -5th / 392)

59. True about parallax technique:
A. Increases image clarity
B. Decreases distortion of the image.
C. Gives relative image of object.
D. Decreases image clarity.

59. Answer is: D- Decreases image clarity.
(Ref: White & Pharoah- 5th / 83) AIIMS-NOV-05


60. Most common reason for the removal of impacted mandibular third molars is:
A. Referred pain.
B. Recurrent pericoronitis.
C. Chronic periodontal disease.
D. Orthodontic treatment.

60. Answer is: B- Recurrent Pericoronitis.
(Ref: Shafer- 5th/86) Repeat AIPG-06.

61. Which of the following is the correct reason for facial nerve injury during forcep extraction?
A. The mastoid process is absent at birth
B. The parotid glands is in developing stage
C. The beak of the forceps engages the main trunk of facial nerve
D. The sublingual hematoma during delivery causes neuropraxia.

61. Answer is: A- The mastoid process is absent at birth
(Ref: Dutta- Obs and Gynec.- 5th Ed/ 591) Repeat AIIMS-MAY-06.

62. Incidence of osteoradionecrosis is increased in following cases:
A. Extraction following radiotherapy.
B. Leukaemic patients.
C. Patients on hyperbaric oxygen therapy.
D. Xerostomia

62. Answer is: A- Extraction following radiotherapy.
(Ref. Neelima Malik :1st Ed/616-621)

63. Syncope results from:
A. Cerebral edema
B. Cerebral hyperemia
C. Cerebral hypoxia
D. Cerebral degeneration

63. Answer is: C- Cerebral hypoxia
(Ref. Davidson’s- 18th Ed. / 225, Ref. Monheims- 7th Ed. / 238) Repeat AIIMS-MAY-06.

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