Mcq Subject: Radiology
The maximum penetration among the following is seen with which ray:
A. Alpha
B. Beta
C. Gamma
D. Electron Beam
View DescriptionRadio density can be increased by
A. Decreasing MA
B. Decreasing kVp
C. Decreasing target film distance
D. Increasing target film distance
View DescriptionPatient’s cross infection with bite block of orthopantamograph machine is prevented by
A. Cover with autoclaved cloth with each use
B. Using disposable bite blocks
C. Clean with 5.25% sodium hypochlorite in each patient
D. Cover with impervious barrier
View DescriptionTo localize a supernumerary or an impacted tooth and determine its exact relationship to the other teeth, which of the following radiographs would be most effective?
A. A periapical and an occlusal view
B. An occlusal view using a high angle
C. A panoramic radiograph
D. Two or more periapical views at different angles and an occlusal view
View DescriptionThe best radiographic view of temporomandibular joint is given by:
A. Transorbital view
B. Reverse Towne's view
C. Transpharyngeal
D. Panorex
View DescriptionThere is <2 cm painful swelling responsive to salicylates, this is:
A. Osteoma
B. Osteochondroma
C. Osteoid osteoma
D. Osteoblastoma
View DescriptionIn cephalometric radiography, the distance between the subject and the source of X-ray is
A. 2 feet
B. 48 inches
C. 4.8 metres
D. 5 feet
View DescriptionWhat is the function of filtration process while taking radiographs?
A. Remove the short wavelength photons
B. Remove the portion of long wavelength photons
C. To increase the radiation dose to patient
D. To increase scatter of secondary radiation
View DescriptionFor maintaining parallelism between object the and film, film is placed at a distance to avoid distortion what should be done:
A. Increase target to object distance
B. Decrease target to object distance
C. Both of the above
D. None of the above
View DescriptionIn intraoral radiograph, patient radiation is decreased by all except:
A. High speed film
B. Intensifying screens
C. Lead apron
D. Decreasing kVp
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