MDS PREP
Green film after processing is due to
1. Film placed in fixer solution first
2. High temperature difference of solution
3. Film emulsion not in contact with processing solution
4. Presence of rare earth elements in film
Green film after processing is due to the film emulsion not being in contact with the processing 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.
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.
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 anatomical structure of mandible commonly seen in periapical films of maxillary third molar region is
1) Coronoid process
2) Condylar process
3) Ramus mandible
4) Body of mandible
Radiology
Answer: 1
The coronoid process of the mandible may project into the maxillary third molar region on periapical radiographs when the patient opens their mouth wide. Other structures, like the condylar process or ramus, are less likely to overlap in this region.
A consistant radiographic feature in Page"s disease is
1. Hypercementosis of tooth
2. Widened periodontal ligament
3. Loss of normal trabecular pattern of bone
4. Root resorption
Radiology
Answer: 1
A consistent radiographic feature in Paget's disease is hypercementosis of tooth.
Screen films differ form non-screen films in that
1. They are more sensitive to light than X-rays
2. They are more sensitive to X-rays than light
3. They are usually used in intraoral radiography
4. They do not need intensifying screens
Screen films differ from non-screen films in that they are more sensitive to X-rays than light.
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.