MDS PREP
For detection of herniation and perforation of fibrous disc of TMJ that is best indicated is
1. Transcranial view
2. CT scan
3. MRI
4. Arthrography
Radiology
Answer: 4
For detection of herniation and perforation of the fibrous disc of TMJ, the best indicated method is arthrography.
In which TMJ view central X-ray passes through sigmoid notch
1. Infracranial
2. Frontal view
3. Transcranial
4. Transorbital
Radiology
Answer: 1
In the TMJ view, the central X-ray passes through the sigmoid notch in the infracranial view.
Lateral skull view is used for viewing all of the following except
1. Medial wall and root of orbit
2. Nasal bone
3. Nasal septum
4. Calvarium and root of sinus
Radiology
Answer: 3
Lateral skull view is used for viewing all of the following except nasal septum.
Characteristic of screen film used for cephalometric radiograph
1. High contrast, medium-speed
2. Low contrast, faster speed
3. Low contrast, wide latitude
4. High contrast, high speed
Radiology
Answer: 3
Characteristic of screen film used for cephalometric radiograph is low contrast, wide latitude.
Primary source of X-ray photons from an X-ray tube is
1. Stray radiation
2. Bremhaulstrong radiation
3. Characteristic radiation
4. All of the above
Radiology
Answer: 2
The primary source of X-ray photons from an X-ray tube is characteristic radiation.
The bisecting angle technique is used to take
1. Bitewing radiographs
2. Periapical radiographs
3. True occlusal radiographs of the mandible
4. None of the above
Radiology
Answer: 2
The bisecting angle technique is used to take periapical radiographs.
The radiographic view that has to be avoided in patients with cervical spondylitis
1. PA view
2. Submentovertex
3. Towne"s view
4. Occipito mentalview
Radiology
Answer: 2
The radiographic view that has to be avoided in patients with cervical spondylitis is Submentovertex.
One advantage of digital radiography is
1. All the teeth can be in a single film
2. Highly economical
3. The radiographic images are obtained immediately
4. None of the above
Radiology
Answer: 3
One advantage of digital radiography is that the radiographic images are obtained immediately.