The anatomical radiolucent area in maxillary posterior periapical area may be confused as pathological condition is 1) Maxillary sinus 2) Coronoid process 3) Infraorbital foramen 4) Sphenoid sinus
RadiologyAnswer: 1
Submentovertex is useful in viewing 1) Body of mandible 2) Fractures of zygomatic arch 3) Fractures of base of skull 4) All of the above
RadiologyAnswer: 4
Major source of secondary scattered radiation 1) Compton effect 2) Photoelectric effect 3) Thompson effect 4) All of the above
RadiologyAnswer: 1
The effect of short exposure on contrast of film 1. Contrast increases 2. Contrast decreases 3. Contrast is constant 4. Contrast is variable
RadiologyAnswer: 2
The process by which the X-ray beam is reduced is called 1) Filtration 2) Collimation 3) Intensification 4) All of the above
RadiologyAnswer: 2
Which of the following help in distinguishing an osseous neoplasm and a cyst on an X-ray 1) Size 2) Shape 3) Location 4) Peripheral bone formation
RadiologyAnswer: 4
Which radiographs are taken first during full mouth survey of an adult 1. Periapical films of maxillary incisors 2. Periapical films of mandibular incisors 3. Periapical films of maxillary molars 4. Bite wing films
RadiologyAnswer: 4
Which of the following restrorative material is most radiolucent 1) Methyl methacrylate 2) Conventional composites 3) Zinc oxide eugenol 4) Gutta-percha cone