MDS PREP
Bilateral asymptomatic cyst like radiolucent lesion in a 7-year-old boy at the angle of mandible may be diagnosed as
1) Cherubism
2) Paget"s disease
3) Fibrous dysplasia
4) Static bone cyst
Radiology
Answer: 1
If shorter exposure time is needed for exposing dental firm
1) kVp can be increased
2) Mili ampere is decreased
3) Long cone can be used
4) Lead diaphragm is removed
Radiology
Answer: 1
Quantity of the X-ray beam is governed by
1) kVp
2) mAs
3) Filament current
4) Length of the X-ray tube
Radiology
Answer: 1
In cephalometric radiography the distance between the subject and the source of X-ray is
1) 2 feet
2) 48 inches
3) 4.8 meters
4) 5 feet
Radiology
Answer: 4
Which of the following are most sensitive to X-ray?
1. Tooth buds and salivary glands
2. Nerve and muscle tissue
3. Hair and nails
4. Cartilage