Which of the following resembles caries in radiographs? 1. Zinc oxide eugenol 2. Zinc phosphate 3. GIC 4. Polymethyl methacrylate
RadiologyAnswer: 4
Gamma camera in Nuclear Medicine is used for 1) Organ imaging 2) Measuring the radioactivity 3) Monitoring the surface contamination 4) RIA
RadiologyAnswer: 2
The cells which are least susceptible to radiation are 1. Fibroblasts 2. Lymphocytes 3. Osteoblasts 4. Erythroblasts
RadiologyAnswer: 4
The following is at more risk from exposure of a dental X-ray 1. Bone marrow 2. Breast 3. Brain 4. Thyroid
RadiologyAnswer: 1
The best image obtained if duplicating film is exposed tp 1) X-rays 2) UV rays 3) Visible light 4) Infrared light
RadiologyAnswer: 2
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
In cephalometric radiography the distance between the subject and the source of X-ray is 1) 2 feet 2) 48 inches 3) 4.8 meters 4) 5 feet
RadiologyAnswer: 4
"Step ladders" effect in PA views of skull is found in 1) Sickle cell anaemia 2) Ameloblastoma 3) Osteogenic sarcoma 4) Ewing"s sarcoma
