To discriminate objects with small density difference like CSF and blood the radiographic technique used is 1) CT scan 2) Pantamograph 3) Lateral cephalogram 4) None of the above
RadiologyAnswer: 1
Film exposed to light during development will appear 1) Dark 2) Light 3) Clear 4) Blurred
RadiologyAnswer: 1
Sharpness of image on the film can be increased by 1) Large focal spot 2) Small focal spot 3) Decreased target-skin distance 4) Increased film-object distance
RadiologyAnswer: 2
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
RadiologyAnswer: 2
In bone scintigraphy all is guessed except 1) Avascular necrosis 2) Fractures 3) Osteomyelitis 4) None
RadiologyAnswer: 4
An exposure of 2 R is recorded at point 8 cm. Keeping the same beam the exposure at 4 cm is 1. 4 R 2. 6 R 3. 8 R 4. 16 R
RadiologyAnswer: 3
The maximum permissible dose of radiation to the operator of an X-ray machine is 1) 0.05 rem per year 2) 0.5 rem per year 3) 5.0 rem per year 4) 50 rem per year
RadiologyAnswer: 3
Density of film is increased by all of the following except 1. Increasing mA 2. Increasing kVp 3. Increasing time exposure 4. Increasing the film-source distance