MDS PREP
Inventor of orthopantomographic machine is
1. Hounsfield
2. Roentgen
3. Kell
4. Namata
Radiology
Answer: 4
The inventor of the orthopantomographic machine is Namata.
Horizontal unfavourable or favourable fractures of mandible can be viewed best in
1. Lateral oblique 30 degrees
2. Lateral oblique 15 degrees
3. PA view of mandible
4. Submentovertex view
Radiology
Answer: 1
Horizontal unfavourable or favourable fractures of the mandible can be viewed best in lateral oblique 30 degrees.
All of the following form radiolucent stones except
1. Xanthine
2. Cysteine
3. Allopurinol
4. Orotic acid
Radiology
Answer: 4
All of the following form radiolucent stones except orotic acid.
Too light, thin, faded image on radiographic film is the result of
1. Overexposure of film
2. Concentrated developer solution
3. Exhausted developer solution
4. Pre-exposure of radiographic
Radiology
Answer: 3
Too light, thin, faded image on radiographic film is the result of exhausted developer solution.
Dead bone appears on a radiograph as
1. Radiolucent
2. Radiopaque
3. Cotton wool appearance
4. Salt and pepper appearance
Radiology
Answer: 2
Dead bone appears on a radiograph as radiopaque.
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.
Which of the following provides superior definition of soft tissues, bony details and physiologic information about the TMJ joint
1. MRI
2. Pantomograph
3. Arthrography
4. CT scan
Radiology
Answer: 3
The imaging technique that provides superior definition of soft tissues, bony details, and physiologic information about the TMJ joint is arthrography.
The gold standard for the diagnosis of osteoporosis is
1. Dual energy X-ray absorptiometry
2. Single energy X-ray absorptiometry
3. Ultrasound
4. Quantitative computed tomography
Radiology
Answer: 1
The gold standard for the diagnosis of osteoporosis is Dual energy X-ray absorptiometry.