The residual biologic damage tha remains following an exposure to radiation is called 1) Direct effect 2) Indirect effect 3) Cumulative effect 4) Tolerance
RadiologyAnswer: 3
Most sensitive phase in cell division to radiation is 1. G1 phase 2. Mitotic rate of cells 3. G2 phase 4. None of the above
RadiologyAnswer: 3
Waters projection is useful for eveluating 1) Frontal and ethmoidal sinuses 2) Maxillary sinus 3) Zygomaticofrontal suture and nasal cavity 4) All of the above
RadiologyAnswer: 4
The purpose of aluminium filters in the path of X-ray beam is to 1) Increase contrast 2) Reduce patient exposure 3) Reduce film density 4) Reduce film details
RadiologyAnswer: 2
Grid is used in radiography to 1) Reduce kVp 2) Reduce exposure time 3) Reduce fogging 4) None of the above
RadiologyAnswer: 3
Fractures of remus and body of mandible can be best seen in 1) Lateral oblique 30 degrees 2) Lateral oblique 15 degrees 3) PA view of mandible 4) Occipitomental view
RadiologyAnswer: 2
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
The X-rays which are mostly likely to be absorbed by the tissues and produce an injury 1) X-rays of long wavelength 2) X-rays of short wavelength 3) Filtered X-rays 4) Central rays
