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RADT 465: Equipment
ARRT registry review covering Equipment operation and quality control
| Question | Answer |
|---|---|
| What type of x-ray tube is designed to turn on and off rapidly, providing multiple short, precise exposures? P. 279 | Grid-controlled P. 296 |
| If exposure factors of 85 kV, 400 mA, and 12ms yield an output exposure of 150 mR, what is the milliroentgens per milliampere-seconds (mR/mAs)? P. 279 | 31 P. 297 |
| What causes pitting, or many small surface melts, of the anode's focal track? P. 280 | Repeated, frequent overloading P. 298 |
| Congruence of the x-ray beam with the light field is tested using what? P. 281 | Radiopaque objects P. 299 |
| If the primary coil of a high-voltage transformer is supplied by 220 V and has 400 turns and the secondary coil has 100,000 turns, what is the voltage induced in the secondary coil? P. 281 | 55 kV P. 299 |
| As window level increases...? P. 282 | Brightness increases P. 300 |
| What device converts electrical energy to mechanical energy? P. 282 | Motor P. 301 |
| The voltage ripple associated with a three-phase, six-pulse rectified generator is about? P. 283 | 13% P. 303 |
| As electrons impinge on the anode surface, less than 1% of their kinetic energy is changed to...? P. 285 | X-rays P. 305 |
| Which of the following is used in digital fluoroscopy, replacing the image intensifier's television camera tube? P. 284 | Charge-coupled device P. 303 |
| Star and wye configurations are related to...? P. 284 | Three-phase transformers P. 304 |
| The device used to change alternating current to unidirectional current is? P. 287 | A solid-state diode P. 308 |
| The kV settings on radiographic equipment must be tested annually and must be accurate to within...? P. 286 | +/- 4 kV P. 307 |
| With what frequency must radiographic equipment be checked for linearity and reproducibility? P. 289 | Annually P. 310 |
| Which of the following equipment is mandatory for performance of a myelogram? P. 288 | Tilting x-ray table P. 309 |
| Which part of an induction motor is located outside the x-ray tube glass envelope? P. 289 | Stator P. 311 |
| Off-focus, or extrafocal, radiation is minimized by...? P. 290 | Restricting the x-ray beam as close to its source as possible P. 313 |
| Light-sensitive AEC devices are known as...? P. 292 | Photoimers P. 314 |
| A photostimulable phosphor plate is used with...? P. 294 | CR P. 317 |
| The image intensifier's input phosphor generally is composed of...? P. 294 | Cesium iodide P. 316 |
Created by:
dalanham88
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