Which of these structures appears radiopaque? 1. Maxillary sinus 2. Nasal fossa 3. Nasal septum 4. Mental foramen
RadiologyAnswer: 3
In treatment of oral cancers, the fraction of total dose given in each appointment is in the range of 1) 150 rad 2) 300 rad 3) 400 rad 4) 500 rad
RadiologyAnswer: 1
The somatic non-stochastic effect of radiation is seen 1) An effects on the body irradiated 2) As effect of mutation 3) As hereditary phenomenon 4) All of the above
RadiologyAnswer: 1
All of the following are radiolucent except 1) Ameloblastoma 2) Cementoblastoma 3) Keratocyst 4) Central giant cell granuloma
RadiologyAnswer: 2
Apical root fracture is visible in 1) Intraoral periapical X-ray 2) Bitewing X-ray 3) Occlusal X-ray 4) OPG
RadiologyAnswer: 1
Which of the following is most sensitive to radiation induced cancer 1) Nerves 2) Female breast 3) Thyroid 4) Skin
RadiologyAnswer: 2
Which of the following restrorative material is most radiolucent 1) Methyl methacrylate 2) Conventional composites 3) Zinc oxide eugenol 4) Gutta-percha cone
RadiologyAnswer: 1
An intraoral periapical X-ray is taken for evaluation of impacted third molar. Another X-ray is taken with downward angulation to first one. If third molar is lingual impaction it will appear to 1) Move downward in relation to inferior alveolar canal 2) Move upward in relation to inferior alveolar canal 3) Be stable in relation to inferior alveolar canal 4) None of the above
