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Atomic Number (Z)
number of protons in the nucleus
Attenuation
absorption of the x-ray beam in matter, usually the human body
Automatic Exposure Control (AEC)
feature/device that determines radiation exposure during radiography in most x-ray imaging
systems
, Back-up time
when the exposure timer is manually set by the operator to a time greater than the anticipated
exposure time
Bergonie-Tribondeau law
principle that states that the radiosensitivity of cells is directly proportional to their
reproductive activity and inversely proportional to their degree of differentiation
Binding energy
the energy required to separate a single particle or group of particles from a molecule, atom,
or nucleus
Biological Damage
the damage produced from exposure to radiation
Bremsstrahlung x-ray
x-ray that results from interaction of the projectile electron with a target nucleus, also known
as breaking radiation
Bucky Tray
a device that contains a moving grid
Caliper
a tool used for body part measurement
Cardinal Principles of Radiation Protection
The methods used to protect operators from unnecessary radiation exposure; time, distance
and shielding
Cassette
A rigid holder that contains the film and screens
Cathode
negative side of the x-ray tube, contains the filament and the focusing cup
Central Ray
Center of the primary x-ray beam that interacts with the image receptor
Characteristic Radiation
One of two types of x-ray productions. created when an electron enters the tungsten anode of
the x-ray tube and knocks out a K-shell electron. This interaction produces an x-ray photon
Coherent Scattering