| Question | Answer |
| Bremsstrahlung radiation make up what percent of the x-ray beam? | 70%-90%
pg. 437 |
| What percent of the x-ray beam does characteristic radiation make up? | 10%-30%
pg. 437 |
| Compton scatter ejects an _________ ________ electron. | outer shell
pg. 440 |
| The number of cycles per unit of time is the definition of __________. | frequency
pg. 443 |
| The unit of measurement for frequency is _________. | Hertz (Hz)
pg. 444 |
| Which scientist observed that a magnetic field with induce an electric current? | Faraday
pg. 445 |
| A singe-phase, full-wave rectified waveform has a ___ % voltage ripple. | 100
pg. 448 |
| A three-phase/six-pulse rectification has a ___ % voltage ripple. | 13
pg. 449 |
| A three-phase/twelve pulse rectification has a ___ % voltage ripple. | 4
pg. 449 |
| The focal track of the anode is made up of what kind of material? | Tungsten and rhenium alloy
pg. 451 |
| For a single phase unit, heat units can be determined by the equation? | mA X s X kV = HU
pg. 454 |
| Causes of x-ray tube failure are _________, ________, ________, and _________. | vaporized tungsten, pitted anode, cracked anode, and gassy tube.
pg. 455-457 |
| This part of the x-ray circuit functions to automatically adjust for any fluctuations in incoming voltage supply and is located on the primary side. | Line voltage compensator
pg. 458 |
| This part of the x-ray circuit is a system of diodes that is located between the secondary coil of the high-voltage transformer and the x-ray tube. | Rectifiers
pg. 461 |
| The range of grays a particular digital system is capable of resolving/demonstrating. | Contrast Resolution
pg. 466 |
| The ratio of light photons at the output phosphor to the number at the input phosphor. | Flux gain
pg. 482 |
| The ratio of the diameters of the input and output screens squared refers to _________. | Minification gain
pg. 482 |
| Diminished resolution and contrast at the periphery. | Vignetting
pg. 483 |
| The thickness of any absorber and the recording that will reduce x-ray beam intensity to one-half its original value. | Half-Value Layer
pg. 497 |
| Test performed annually that evaluates the consistency of x-ray tube output and should not vary more than 5%. | Reproducibility
pg. 497 |
