Sensitivity of a body tissue to radiation is dependent on 1. Blood flow 2. Mitotic rate of cells 3. Iron content 4. Protein content of cells
RadiologyAnswer: 2
The normal anatomical structure which is radiopacent and overlaps maxillary molar roots in short cone technique 1) Zygomatic process 2) Maxillary tuberosity 3) Maxillary sinus 4) Palatine process of maxilla
RadiologyAnswer: 1
Quality of x-ray beam is dependent on which component of dental unit 1) Autotransformer 2) Ammeter 3) Temperature of cathode filament 4) Step-down transformer
RadiologyAnswer: 1
A consistant radiographic feature in Page"s disease is 1) Hypercementosis of tooth 2) Widened periodontal ligament 3) Loss of normal trabecular pattern of bone 4) Root resorption
RadiologyAnswer: 1
Lamina dura is 1) Radiographic appearance of alveolar bone proper 2) Radiographic appearance of cortical bone 3) Radiographic appearance of cancellous bone 4) All of the above
RadiologyAnswer: 1
Arthroscopy of TMJ is useful in 1) Internal derangement 2) Fracture of condyle 3) Ankylosis 4) Hyperplasia
RadiologyAnswer: 1
Which of the following anatomical landmarks of mandible is radiolucent 1) Genial tubercles 2) Mylohyoid ridge 3) External oblique ridge 4) Mandibular canal
RadiologyAnswer: 4
The skin of a patient undergoing radiotherapy will show after 2 weeks 1) Erythema 2) Depigmentation 3) Radiation-induced carcinomas 4) No change
