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electrons traveling from cathode to anode
produces either xray or heat

beam that exit the tube window

radiation that exits the patient

radiation that exits the patient and is going straight to the image receptor

radiation that interacts with the anode

radiation that interacts with the target but did not came from the tube window

2 types of target interaction

projectile electrons near-miss the target

force that bend and causes variation of speed in bremsstrahlung

interaction between the shell electrons
knockouts the shell

needed kVp to produce characteristic or to knockout shell

refers to the range of values of any quantity such as xrays

spectrum that contains only specific value

spectrum that contains all possible value

precise and discrete value

spectrum of bremsstrahlung

usually provides contro of line compensation, kVp, mA, and exposure time