Injecting radiopaque dye into the joint space to visualize the joint is referred to as 1) Arthroscopy 2) Arthrography 3) Orthropantomography 4) Arthroplasty
RadiologyAnswer: 2
In reverse Townes projection central X-ray passess through 1) Maxillary sinus 2) Occipital bone 3) Buperior border of petrous 4) Inferior border of petrous
RadiologyAnswer: 2
At density range equal to zero, percentage of light transmitted through X-ray film is 1) 100 % 2) 10 % 3) 1 % 4) 0 %
RadiologyAnswer: 1
Penetration power of X-ray is measure of 1) Exposure time 2) Milliamperage 3) Kilovoltage 4) None of the above
RadiologyAnswer: 3
Grid is used 1) To remove secondary radiation 2) Filter the radiation 3) Removes scattered radiation 4) None of the above
RadiologyAnswer: 3
According to Clark"s rule for localisation of object if tube is shifted mesially to original angulation 1) Buccal objects move mesially 2) Lingual object moves mesially 3) Both buccal and lingual object move distally 4) Both buccal and lingual object move mesially
RadiologyAnswer: 2
The Compton effect is seen when 1) X-rays strike on film 2) X-rays strike on skin 3) X-rays interact with matter 4) X-rays interact with emulsion coating on film
RadiologyAnswer: 3
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
