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What is 1 + 3?
Radiography Essentials Vocab Ch. 11 P. 1
A space between the patient and the film.
Radiation directed back toward the x-ray tube.
A moving grid.
This type of interaction takes place at relatively low energy levels (below 10 keV) and causes and effect similar to ricochet. Also known as Thompson Scatter.
The incoming x-ray photon collides with an outer shell electron removing it from the atom.
A composite of two grids with the lead strips at right angles to each other.
The distance within which the grid will not absorb an undue amount of useful radiation.
Grids with lead strips aligned to the direction of the diverging primary x-ray beam.
A device placed between the patient and the film.
Special cassettes with a grid built into the front side.