MDS PREP
The region which is closest to satisfying all the principles of shadow casting and parallel placement of the film in a paralleling technique full mouth series of periodical radiographs is
1. Maxillary premolar view
2. Mandibular premolar view
3. Maxillary molar view
4. Mandubular molar view
Radiology
Answer: 4
The region closest to satisfying all the principles of shadow casting and parallel placement of the film in a paralleling technique full mouth series of periapical radiographs is mandibular molar view.
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.
When evaluating intraoral periapical films which structures have improved sharpness
1. Lingual structures
2. Buccal structures
3. Interproximal structures
4. All of them equally
Radiology
Answer: 1
When evaluating intraoral periapical films, lingual structures have improved sharpness.
Multiple radiolucencies are common in all of the following except
1. Multiple myeloma
2. Hyperparathyroidism
3. Osteopetrosis
4. Metastatic tumours of bone
Radiology
Answer: 3
Multiple radiolucencies are common in all of the following except osteopetrosis.
The following produces highest radiation exposure
1. CT scan
2. MRI
3. Pantamograph
4. Arthrograms
Radiology
Answer: 4
The following produces the highest radiation exposure: arthrograms.
Best X-ray for mesiodens is
1. Occlusal
2. PA view
3. Panorex
4. Bitewing
Radiology
Answer: 1
The best X-ray for mesiodens is occlusal.
Yellowish-brown staining of the IOPA dental X-ray film is due to
1. Immersion in fixer without washing
2. Increased temperature of developer
3. Increased exposure time
4. Drying away of the developer solution
Yellowish-brown staining of the IOPA dental X-ray film is due to immersion in fixer without washing.
A thin radioopaque line running around the curvature of root in IOPA is
1. Lamina dura
2. Lamina propria
3. Lamina limitans
4. Lamina densa
Radiology
Answer: 1
A thin radiopaque line running around the curvature of the root in IOPA is lamina dura.