MDS PREP
Occluded submandibular salivary duct can be best observed by
1. Palpation
2. Sialography
3. Occlusal X-ray
4. Thermography
An occluded submandibular salivary duct can be best observed by sialography.
The target of the X-ray tube is angulated to produce all the following effects except
1. To decrease the effective focal spot
2. To increase the image sharpness
3. to energize the photons
4. To dissipate heat
Radiology
Answer: 3
The target of the X-ray tube is angulated to produce all the following effects except to energize the photons.
All of the following are radiolucent except
1. Osteomalacia
2. Osteopetrosis
3. Ameloblastoma
4. Central giant cell granuloma
Radiology
Answer: 2
All of the following are radiolucent except osteopetrosis.
In radionuclide imaging the most useful radiopharmaceutical for skeletal imaging is
1. Gallium 67
2. Technetium-sulphur-colloid
3. Technetium-99m
4. Technetium-99m linked to Methylene disphosphonate
In radionuclide imaging, the most useful radiopharmaceutical for skeletal imaging is Technetium-99m linked to Methylene diphosphonate.
For maintaining parallelism between the object and film, film is placed at a distance to avoid distortion, what should be done
1. Increase target to object distance
2. Decrease target to object distance
3. Both of the above
4. None of the above
Radiology
Answer: 1
For maintaining parallelism between the object and film, the film is placed at a distance to avoid distortion by increasing the target to object distance.
Cornoid process of mandible can be best viewed on
1. PA view of skull
2. Towne"s projection
3. Lateral view of skull
4. Wasters view
Radiology
Answer: 1
The coronoid process of the mandible can be best viewed on PA view of skull.
Internal derangement of the TMJ can be best diagnosed by
1. MRI
2. CT scan
3. Arthrography
4. Panoramic view
Radiology
Answer: 1
Internal derangement of the TMJ can be best diagnosed by MRI.
In bone scintigraphy all is guessed except
1. Avascular necrosis
2. Fractures
3. Osteomyelitis
4. None
Radiology
Answer: 4
In bone scintigraphy, all is guessed except none.