In panaromic radiograph, smiling appearance of structures occurs if patient chin is 1) Placed anterior to focal trough 2) Placed posterior to focal length 3) Tilted downward 4) Tilted upwards
RadiologyAnswer: 3
Submentovertex view is best useful for 1) Sinuses 2) Zygomatic fractures 3) Mandibular fractures 4) Maxillary fractures
RadiologyAnswer: 3
Quantity of the X-ray beam is governed by 1) kVp 2) mAs 3) Filament current 4) Length of the X-ray tube
RadiologyAnswer: 1
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
The effect of short exposure on contrast of film 1. Contrast increases 2. Contrast decreases 3. Contrast is constant 4. Contrast is variable
RadiologyAnswer: 2
The process by which the X-ray beam is reduced is called 1. Filtration 2. Collimation 3. Intensification 4. All of the above
RadiologyAnswer: 2
Which of the following is useful for studying the movements of the tongue 1) Angiography 2) Arthroscope 3) Fluroscope 4) Sonograpgy
RadiologyAnswer: 3
Cervical burnout refers to 1. Cementoenamel junction misidentified as caries 2. Sun burns caused on neck 3. Root surface caries at cementoenamel junction 4. None of the above
