MDS PREP
Overexposure of film results in
1. Increased density and dark film
2. Increased density and light film
3. Decreased density and light film
4. Decreased density and dark film
Radiology
Answer: 1
Overexposure of film results in increased density and dark film.
Which of the following related to a radiograph with the image that has many gradations of gray from totally white to completely black
1. Underexposed
2. Overexposed
3. Long-scale contrast
4. Short-scale contrast
Radiology
Answer: 3
A radiograph with many gradations of gray from totally white to completely black is related to long-scale contrast.
The cathode in Coolidge tube is made of..............whereas anode is made of...............
1. Copper; copper
2. Molybdenum; copper
3. Iron; lead
4. Aluminium; iron
Radiology
Answer: 2
The cathode in a Coolidge tube is made of molybdenum, whereas the anode is made of copper.
Medially displaced condylar neck fracture is best visulised in
1. PA view
2. Lateral oblique view
3. Occipitomental view
4. Submentovertex
Radiology
Answer: 1
Medially displaced condylar neck fracture is best visualized in PA view.
Asymptomatic mixed radiopaque and radiolucent lesions found at the lower incisor region of a middle aged women may be
1. Periapical cysts
2. Cementoblastoma
3. Cementoma
4. Odontogenic cysts
Radiology
Answer: 3
Asymptomatic mixed radiopaque and radiolucent lesions found at the lower incisor region of a middle-aged woman may be cementoma.
Zonography is a type of
1. CT scan
2. Radionuclide imaging
3. Panoramography
4. MRT
Radiology
Answer: 3
Zonography is a type of panoramography.
Orthopantamograph is not indicated in viewing
1. Anterior body of mandible
2. Coronoid process
3. Lower anterior region of mandible
4. All of the above
Radiology
Answer: 4
Orthopantamograph is not indicated in viewing all of the above: anterior body of mandible, coronoid process, lower anterior region of mandible.
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.