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RADT 456: Equip Op.

ARRT Registry Review

The gradual decrease in exposure rate as radiation passes through tissues Attenuation
This is also known as classical, unmodified, or Rayleigh scatter Coherent
The electron cloud within the x-ray tube is the product of a process called thermionic emission
Transformer in which voltage is increased and current is decreased Step-up transformer
Which circuit is the mA meter located Primary
"Braking" or slowing down and changes direction Bremsstrahlung
The voltage ripple associated with a three-phase, six-pulse rectified generator is 13%
Device that converts electrical energy to mechanical energy Motor
When the radiographer selects kilovoltage on the control panel, which device is adjusted? Autotransformer
The amount of electric charge flowing per second Current
Which part of an induction motor is located outside the x-ray tube glass envelope? Stator
What is the function of the line voltage compensator Automatically adjust for any fluctuations in incoming voltage supply.
The essential function of a phototimer to terminate the x-ray exposure once the IR is correctly exposed
Test performed on a single-phase, full-wave rectified unit Spinning top
X-ray photon interacts with an outer shell electron Compton
Which shell is most tightly bound K shell
Rare earth phosphors that may be used in intensifying screens gadolinium oxysulfide lanthanum oxybromide
Requires 10 MeV Photodisintegration
An increase in heat of the filament will... Increase milliamperage
Circuit devices that permit electrons to flow in only one direction are Solid-state diodes
Created by: kjyochum1