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Unformatted text preview: -where xrays are produced-tube overload correction?-reduce ma and increase time-why is the back of cassette lined with lead?-to reduce Compton back scatter-how often must lead walls be replaced?-never-what does a rectifer do?-AC current to DC current-function of electromagnetic induction motor?-spins anode-Type of radiation that can be stopped by paper?-alpha-focusing cup has neg charge. .-technical factor that selects Flament size?-ma-SI unit for rad is ?-grey-using the dead man switch, when is radiation is terminated?-when light goes off-diff bt x and gamma rays?-origin (xrays are man made)-compensation Flter on lateral lumbar. .where should it be?-up-part of body at anode on A-P thoracic Spine Flm?-toward the head...
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- Winter '11
- Light, Ionizing radiation, Gamma ray, higher pt exposure