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A quality radiograph is obtained using a 4 inch pid and an exposure time of 3 impulses. The pid was removed and replaced with a 16 inch pid. What should the new exposure time be to maintain image density?
5What type of image will it produce when using the bisecting angle technique, directing the x-ray beam perpendicular to the long axis of the teeth?
5A diagnostic film is produced using 10 ma and .5 second. What exposure time is needed to produce the same film at 20 ma?
5
In u.s.a, who regulates the devices used for radiation and monitor its usage?
What are some new areas in radiology?
List out the differences between x-rays and mri?
Explain radiology?
Why lead foil sheet in the film packet is used?
What is the call frequency?
Explain what is emulsion?
What is the maintenance process in x-ray unit?
Mention what is the unit to measure x-rays exposure?
What conditions will you commonly see as a diagnostic radiologist?
What are the cells that are most sensitive to x-radiation?
Explain the principle of x-ray in radiology?
What is a type of radiations used in dental x-rays?
Explain what do you mean by latent effect in radiology?
Explain how x-ray tube works?
