1. zygomatic arch fractures are best seen inoccipitomental viewsubmentovertex viewlateral view of skullpostero anterior view skullQuestion 1 of 20 2. The radiation generated at the anode of the x-ray tube is calledReverse radiationPrimary radiationScattered radiationPotential radiationQuestion 2 of 20 3. A 40 year old male got a blow to angle of mandible but remained asymptomatic.Radiographic examination shows a radioopaque line in the concerned area with a sharp undercut at the lower border of mandible.It may benon union signoverlapping signseparation signsutural diasthetsisQuestion 3 of 20 4. Radiographically 'se strum' formed in osteomyelitis isSame opaque as healthy boneLess opaque than healthy boneMore opaque than healthy boneNone of the aboveQuestion 4 of 20 5. Elongation (the most common error) can be caused byToo little vertical angulationThe occlusal plane is not parallel to the floorAll of the aboveThe film is not parallel to the long axisQuestion 5 of 20 6. Intranuclear viral inclusions are seen in tissue specimens of which of the following?Minor aphthous ulcersGeographic tongueSolar cheilitisHairy leukoplakiaQuestion 6 of 20 7. the component of developer that gives detail to the radiographic image issodium carbonatehydroquinonesodium sulphatepotassium bromideQuestion 7 of 20 8. The size of the x-ray tube focal spot influences radiographic ____.ContrastResolutionDensityMagnificationQuestion 8 of 20 9. the purpose of collimating an x ray beam is toavoid delivering unnecessary radiation to the patientreduce the size of the beam to facilitate easier visualization of the central rayremove the less penetrating x ray photonsreduce exposure timeQuestion 9 of 20 10. A 21-year-old woman went to her dentist because of facial asymmetry. This asymmetry had developed gradually over 3 years. The patient had no symptoms. A diffusely opaque lesion was found in her right maxilla. All laboratory tests (complete blood count, alkaline phosphatase, calcium) were within normal limits. A biopsy specimen was interpreted as a fibro-osseous lesion. This patient most likely has ______.Fibrous dysplasiaCementoblastomaOsteosarcomaCherubismQuestion 10 of 20 11. a patient with a history of radiation therapy requires special consideration becausethe potential for periodontal disease is greatly increasedthe vascularity of bone may be disruptedpla accumulation greater than normal can be expectedsalivary function may be increasedQuestion 11 of 20 12. characteristic 'tram line' calcifications in the skull radiographs is observed insturge weber syndromemaccune albright syndromepaget's diseasecleidocranial dystosesQuestion 12 of 20 13. gamma camera in nuclear medicine is used forRIAorgan imagingmonitoring the surface contaminationmeasuring the radioactivityQuestion 13 of 20 14. ALARA principle stands forAs low as reasonably achievableAs low are resonably achievableAs lower are reasonably achievableAs lower as reasonably achievableQuestion 14 of 20 15. which is the best method to reduce radiation exposure to patient during a full mouth seriesUse of E speed filmsUse of F speed filmsSubstitute a panaromic image for the full mouth seriesuse of digital imagingQuestion 15 of 20 16. Best radiograph to view fracture of condyle isOPGOccipitomental viewSubmentovertexReverse towne's viewQuestion 16 of 20 17. radiographically,in early caries one can mistake a radiolucent line below the DEJ forhunter schreger bandstomes granular layermach bandslines of retziusQuestion 17 of 20 18. A nephrocalcinosis treated patient and on omeprazole for last 3 weeks, has midline crossing lesion in the lower jaw, radiolucent, hazy trabeculae,giant cells , expanding cortical plates .Diagnosis isTreated nephrocalcinosisBrown tumorCGCGOdontogenic keratocystQuestion 18 of 20 19. Floating teeth' are seen in which of the following conditions?Ehler danlos syndromeOsteoporosisHistiocytosis XCleidocranial dysplasiaQuestion 19 of 20 20. in which one of the following condition sialography is contraindicatedacute parotitischronic parotitisductal calculusrecurrent parotitisQuestion 20 of 20 Loading...
