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
RadiologyAnswer: 4
Inventor of orthopantomographic machine is 1) Hounsfield 2) Roentgen 3) Kell 4) Namata
RadiologyAnswer: 4
80 kVp and 15 mA and source film distance of 8 inches exposure time for a film is 1/2 second. Keeping the kilovoltage and miliamperage constant exposure time at 16 inches 1) 1/2 second 2) 1 second 3) 2 second 4) 4 second
RadiologyAnswer: 3
The somatic non-stochastic effect of radiation is seen 1) An effects on the body irradiated 2) As effect of mutation 3) As hereditary phenomenon 4) All of the above
RadiologyAnswer: 1
When a shielded open cone is used the gonadal dose to a patient is mainly from 1) Leakage from tube 2) Primary X-ray tube 3) Scatters from patient"s face 4) All of the above
RadiologyAnswer: 3
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
RadiologyAnswer: 2
Which of the following has a radiolucency closest to the dentin 1) ZOE 2) Calcium hydroxide 3) Silicophosphate 4) Gutta percha
RadiologyAnswer: 3
Nasal septum can be best viewed by 1) Occipitomental view 2) Submentovertex 3) Lateral skull 4) Towne"s view
