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
In panaromic radiograph, smiling appearance of structures occurs if patient chin is 1) Placed anterior to focal trough 2) Placed posterior to focal length 3) Tilted downward 4) Tilted upwards
RadiologyAnswer: 3
Intensifying screen is used in extraoral radiograph to 1) Decrease patient radiation 2) Increase contrast 3) Decrease contrast 4) Collimation
RadiologyAnswer: 1
Radiographs are of no help in the diagnosis of 1. Cementoma 2. Subluxation teeth 3. Acute alveolar abscess 4. Impacted canines
RadiologyAnswer: 3
Image sharpness on a radiograph is increased by 1) Increasing the film speed 2) Increasing the object filem 3) Using a small focal spot size 4) Using a large focal spot size
RadiologyAnswer: 3
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
Irregular radiolucent area related to apex of a non-vital teeth could ve 1. Chronic PA abscess 2. PA cyst 3. PA granuloma 4. Early osteomyelitis
RadiologyAnswer: 1
Base of skull can be viewed by 1) Towne"s projection 2) Submentovertex 3) PA view of skull 4) Both A and B
