Which of the following is not a form of ionising radiation 1) Alpha-particles 2) Beta-particles 3) X-rays 4) Radiowaves
RadiologyAnswer: 4
Size of the bite wing film is 1) 32 * 41 mm 2) 22 * 35 mm 3) 57 * 76 mm 4) 75 * 90 mm
RadiologyAnswer: 1
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
Edge enhancement effect is seen with 1) Xeroradiography 2) Scintigraphy 3) Stereoscopy 4) None of the above
RadiologyAnswer: 1
Which of the following related to a radiograph with the image that has many gradations of gray from totally white to completely black 1) Underexposed 2) Overexposed 3) Long-scale contrast 4) Short-scale contrast
RadiologyAnswer: 3
Validity of a screening test includes all except
1.sensitivity
2.specificity
3.repeatability
4.accuracy
RadiologyAnswer: 3
The gold standard for the diagnosis of osteoporosis is 1) Dual energy X-ray absorptiometry 2) Single energy X-ray absorptiometry 3) Ultrasound 4) Quantitative computed tomography
RadiologyAnswer: 1
All of the following are radiolucent except 1) Silicate restorations 2) Conventional composites 3) Zinc oxide eugenol 4) Porcelian restorations
