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Equipment Operation
Equipment Operation & Quality Control
Question | Answer |
---|---|
What is usually recommended for cleaning PSPs? | Anhydrous Ethanol |
Star and Wye Configurations are related to what? | 3 Phase Transformers |
In fluoroscopy, the kV and mA is adjusted by what? | Automatic Brightness Control |
What is a slit camera used to measure? | Focal Spot Size & Spatial Resolution |
As window level increases, brightness does what? | Increases |
A parallel-plate ionization chamber receives a particular charge as x-ray photons travel through it. This is the operating principle of which of the following devices? | AEC |
Congruence of the x-ray beam with the light field is tested using what? | Radiopaque Objects (Pennies) |
The filtering effect of the x-ray tube's glass envelope and its oil coolant are referred to as? | Inherent Filtration |
The image intensifier's input phosophor is composed of? | Cesium Iodide |
A photostimulable phosphor plate is used with what? | CR |
What device is used to test the accuracy of the x-ray timer? | Spinning Top |
What device is used to control voltage by varying resistance? | Autotransformer |
Light-sensitive AEC devices are known as? | Phototimers |
How frequently should radiographic equipment kV settings be evaluated? | Annually |
What mode of a trifield image intensifier will result in the lowest patient dose? | 25 in mode |
Circuit devices that permit electrons to flow in only one direction are called what? | Solid-State Diodes |
The amount of electric charge flowing per second is referred to as? | Current |
How frequently must radiographic equipment be checked for linearity and reproducibility? | Annually |
Which part of an induction motor is located within the x-ray tube glass envelope? | Rotor |
What device changes alternating current to unidirectional current? | A Solid State Diode |