During an x-ray procedure, a technologist is exposed to an air-kerma rate of 1 mGy/hour at a distance of 3 feet from the x-ray source. What is the air-kerma rate if the technologist stands at a distance of 6 feet?
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The exposure maintenance formula mathematically resembles th…
The exposure maintenance formula mathematically resembles the
A radiograph acquired at 72 inches results in a receptor exp…
A radiograph acquired at 72 inches results in a receptor exposure of 1.0 milligray (mGy). Calculate the new receptor exposure if the radiograph is acquired with the same technical factors at 60 inches.
If the patient dose is 1 mGy at a 40 inch source-to-image di…
If the patient dose is 1 mGy at a 40 inch source-to-image distance (SID), what is the patient dose at a 72 inch SID using the same technical factors?
The inherent filtration of a radiographic machine is usually…
The inherent filtration of a radiographic machine is usually composed fo the material:
If the original mAs is 10 and the SID changes from 36 inches…
If the original mAs is 10 and the SID changes from 36 inches to 72 inches, which one of these mAs values would produce a radiograph with the same IR exposure as the original taken at 10 mAs?
The purpose of beam filtration is to:
The purpose of beam filtration is to:
Sharpness of detail can be improved by increasing _________.
Sharpness of detail can be improved by increasing _________.
The three primary geometric factors affecting image quality…
The three primary geometric factors affecting image quality are ________________________.
If an optimal radiograph is acquired at 72 inches with an ai…
If an optimal radiograph is acquired at 72 inches with an air kerma of 4 mGy, what will the air kerma be if the distance is reduced to 40 inches?