MDS PREP
Which of the following is useful for studying the movements of the tongue
1. Angiography
2. Arthroscope
3. Fluroscope
4. Sonograpgy
Radiology
Answer: 3
Which of the following is useful for studying the movements of the tongue: Fluoroscopy.
Which of the following imaging techniques cannot differentiate benign and malignant tumours of salivary gland
1. Scintigraphy
2. CT scan
3. MRI
4. Sialography
Radiology
Answer: 1
Scintigraphy cannot differentiate benign and malignant tumours of the salivary gland.
In the bisecting technique, the film is placed
1. Parallel to the tooth
2. As close as possible
3. Parallel to the bisector
4. Perpendicular to the bisector
Radiology
Answer: 2
In the bisecting technique, the film is placed as close as possible to the tooth.
The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as
1. Art technique
2. Modulation
3. Gating
4. Shunting
Radiology
Answer: 3
The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as gating.
Double intensifying screen and screen film are used in extraoral radiographs to
1. Reduce density
2. Reduce contrast
3. Reduce exposure time
4. Reduce secondary radiation
Radiology
Answer: 3
Double intensifying screen and screen film are used in extraoral radiographs to reduce exposure time.
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.
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.
The radiograph showing one of the best view of a fracture of
1. The orbital rim is the 30 degree occipitomental view
2. The orbital floor is the 10 degree occipitomental view
3. The orbital medial wall is the lateral skull view
4. The orbital roof is the lateral skull view
The radiograph showing the best view of a fracture of the orbital floor is the 10-degree occipitomental view.