1. gamma camera in nuclear medicine is used formeasuring the radioactivitymonitoring the surface contaminationorgan imagingRIAQuestion 1 of 20 2. Best view for condylar neck fratureOccipito mentalSubmentovertexReverse towne'sPA skullQuestion 2 of 20 3. all of them use non ionizing radiation exceptMRIthermographyultrasonographyradiographyQuestion 3 of 20 4. Structures seen in maxillary anterior periapical radiographZygomatic arch/zygomatic process of maxillaMaxillary sinuslateral fossaGenial tuberclesQuestion 4 of 20 5. occlusal radiograph are useful in locatingthe mental foramensialoliths in whartons ductsialoliths in stensons ductmaxillary sinus mucocelesQuestion 5 of 20 6. dead bone appear on a radiograph assalt and pepper appearanceradiolucentcotton wool appearanceradio opaqueQuestion 6 of 20 7. Normal angulation for recording a periapical radiograph of a maxillary lateral incisor:-ve 30 degrees70 degress40 degrees30 degreesQuestion 7 of 20 8. Photoelectric interactions are highest in _____.CementumEnamelDentinPulpQuestion 8 of 20 9. which of the following is the least radiosensitive tissuesRBC,muscle cell,nerve cellWBC,bone cells,epithelial cellsconnective tissue cell,endothelial cell,muscle cellmuscle cells,nerve cells,bone cellsQuestion 9 of 20 10. It is acceptable for the operator to hold the film in a patient's mouth____.If the patient or parent grants permissionIf the patient is a childIf the patient has a handicapNeverQuestion 10 of 20 11. fibrous dysplasia is associated withground glass appearancesunburst appearancesoap bubble appearancehair on end appearanceQuestion 11 of 20 12. Bone death in radiation seen after radiation level of30 Gy50 Gy40 Gy20 GyQuestion 12 of 20 13. What are the components of a developing solution?Clearing agent restrainer, accelerator, acidifierDeveloping agent, acidifier, antioxidant preservative, hardenerDeveloping agent, accelerator, restrainerClearing agent, antioxidant preservative, acidifier, hardenerQuestion 13 of 20 14. The angle at which the operator should stand from x ray tube for safety135-180 degree45-90 degree150-185 degree90-135 degreeQuestion 14 of 20 15. Floating teeth' are seen in which of the following conditions?OsteoporosisCleidocranial dysplasiaEhler danlos syndromeHistiocytosis XQuestion 15 of 20 16. MRI sequence used to assess soft tissue pathology inProton densityT2 WT1 WEither T1 or T2Question 16 of 20 17. Which of the following projections is the best for evaluating the maxillary sinus?Reverse Towne projectionWaters projectionSubmentovertex projectionLateral jaw projectionQuestion 17 of 20 18. a developer at high temperature will causevery light imagevery dark imageclear white spots on the filmyellow stainsQuestion 18 of 20 19. Which intra-oral radiographs are the most useful in detecting interproximal caries?Periapical x-raysnone of the aboveOcclusal x-raysBitewing x-raysQuestion 19 of 20 20. . A patient with a large squamous cell carcinoma of the lateral border of the tongue is scheduled for a radical neck dissection. Prophylactic extractions of hopeless teeth must be done to prevent which of the following?Rampant cariesPeriodontal diseaseostepradionecrosisNone of the aboveQuestion 20 of 20 Loading...