1. Mandible in single plane is seen inLateral obliqueque AP viewPA viewOPGQuestion 1 of 20 2. In the body which atom is useful in magnetic resonance imaging(MRI)NitrogenSulphurOxygenHydrogenQuestion 2 of 20 3. Dose equivalent is expressed in terms ofgraycoulombssievertquality factorQuestion 3 of 20 4. all of the following form radiolucent stones exceptxanthineorotic acidallopurinolcysteineQuestion 4 of 20 5. radiographic view for diagnosisg horizontally favourable and unfavourable fracture isreverse towne's projectionPA view skulllateral oblique viewOPGQuestion 5 of 20 6. Fogging seen in x- ray film is seen due to all of the following reasons exceptGridImproper safe lightingOld filmStray radiationsQuestion 6 of 20 7. Mc gregor and trapnell lines are seen on awater's viewSMVtrue lateral viewPA view skullQuestion 7 of 20 8. dead bone appear on a radiograph asradio opaqueradiolucentcotton wool appearancesalt and pepper appearanceQuestion 8 of 20 9. Which property of x-ray is utilised in intensifying screensPhysicalBiologicalChemicalBiochemicalQuestion 9 of 20 10. the purpose of a step down transformer in an x ray apparatus is tocontrol voltage to the tube filamentreduce danger of "pitting " the focal spot on the anodereduce unnecessary radiationcontrol potential between cathode and anodeQuestion 10 of 20 11. Size of x-ray film for bitewing used in a child for molar tooth3214Question 11 of 20 12. Bremsstrahlung radiation results from ____.Electrons interacting with electronsX-rays interacting with electronsElectrons interacting with tungsten nucleiL shell electrons falling into the K shellQuestion 12 of 20 13. Hurter Driffield Index is used to measureNiTi instrumentradiographDental cariesStainless steelQuestion 13 of 20 14. in normal dental diagnostic procedures the principal radiation hazard to the operator is produced byprimary radiationsecondary radiationgamma radiationnone of the aboveQuestion 14 of 20 15. Film size used to evaluate TMJ5*7 inch10*12 inch8*10 inch4*3 inchQuestion 15 of 20 16. When using a phosphor plate, if we tak eimage without deetion of previous one is calledGhost imageNo imageDouble imageSingle real imageQuestion 16 of 20 17. reversal lines are characteristic on the radiograph ofosteosarcomapaget's disease of boneosteomaepidermoid cystQuestion 17 of 20 18. in radionucleotide imaging the most useful radio pharmaceutical for skeletal imaging istechnetium -99m linked to methylene disphosphonategallium 67technetium-sulphur colloidtechnetium-99mQuestion 18 of 20 19. which is the best technique for detecting proximal caries in children with minimum radiation exposurepanoramic radiographybitewing with paralleling technique bitewing with bisecting angle technique bitewing with RVGQuestion 19 of 20 20. The image of the coronoid process of the mandible often appears in periapical x-rays ofThe molar region of the maxillaThe incisor region of the maxillaThe molar region of the mandibleThe incisor region of the mandibleQuestion 20 of 20 Loading...