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
Loss of lamina dura and ground glass appearance indicates 1) Paget"s disease 2) Fibrous dysplasia 3) Caffey"s disease 4) Osteomalacia
RadiologyAnswer: 2
The minimum equivalent of aluminium thickness necessary for proper filtration is 1. 1.5 mm for 70 kVp and 2.5 mm above 70 kVp 2. 2.5 mm for 70 kVp and 1.5 mm above 70 kVp 3. 2.5 mm for 70 kVp and above 70 kVp 4. None of the above