ARRT registry review covering Equipment Operation and QC
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| Which of these radiographic equipment conditions is not included in a check off for a quality-control program: automatic collimation, reproducibility, linearity? | None, all are included
Buschong p462
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| The kVp settings on equipment must be accurate to within______ and tested_______? | +/-4 kV, annually
Fosbinder p223
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| Increases in heat of the filament functions to increase what? | Milliamperage
Buschong p132
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| In the x-ray tube, the electron cloud is created from what process? | Thermionic emission
Buschong p118
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| What are the functions of housing surrounding the x-ray tube? | Keeps leakage radiation to a minimum and protects from shock
Buschong p131
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| High-voltage transformer and filament transformer operate on the principle of _______ induction? | mutual
Buschong p99
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| What type of exposure timer on x-ray equipment is the most accurate? | electronic timer
Buschong p108
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| On three-phase radiographic equipment, the exposure timer should be accurate to within: | +/- 5%
Fosbinder p223
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| X-ray tube failure is generally caused by: | vaporized tungsten on glass envelope
Buschong p142
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| Double-focus cups have two filaments and two______. | focal spots
Buschong p132
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| The regular measurement and evaluation of radiographic equipment components and their performance is described as: | quality control
Fosbinder p222
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| The positive end of the x-ray tube is: | anode
Buschong p132
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| Focal-spot blur is worse on which end of the x-ray beam? | cathode
Buschong p140
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| Collimators on radiographic equipment must be evaluated how often? | semi-annually
Fosbinder p223
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| A decrease in window level causes a decrease in? | brightness
Fosbinder p208
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| Anode heel effect states that x-ray intensity across the beam can vary be an amount of: | 45%
Buschong p138
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| Between a single-phase and high frequency waveform, which one has the lowest percentage voltage ripple? | high frequency
Buschong p122
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| By increasing the kilovoltage and added filtration, the radiographer is increasing the __________ of an x-ray beam. | effective energy
Buschong p165
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| What device is used to change alternating current to unidirectional current? | solid-state diode
Buschong p119
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| What x-ray tube can turn off and on quickly and provide multiple short and precise exposures? | grid-controlled x-ray tube
Buschong p123
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