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RAD Production 147
Part 2
| Question | Answer |
|---|---|
| Characteristic X-Ray's will always have ______ | 57.4 keV (69.5-12.) |
| Individual x-ray photon energy (unit of measurement) | keV |
| K Shell Energy Level | 69.5 keV |
| L Shell Energy Level | 12.1 keV |
| Projectile e- needs a minimum of _______ to produce characteristic radiation | 70 kVp |
| Brems X-Rays have a _______ range | 20 – 150 kVp |
| kVp set between 70-100 will result in ______ of the beam being characteristic x-rays | 15% |
| More than 70 kV means that _____ of x-ray beam is Bremmstrahlung | 85% |
| Less than 70 kV means that _____ of x-ray beam is Bremmstrahlung | 100% |
| Incident electron slowed down by positively charged nucleus – Slowed electron changes direction & loses energy This describes the process of ______ Formation | Bremsstrahlung X-Ray |
| Incident electron has enough kinetic energy to eject a k shell electron - An outer shell electron fills the vacancy creating an energy difference or an X-Ray This describes the process of __________ Formation | Characteristic X-Ray |
| Characteristic radiation forms a ______ emission spectrum | Discrete |
| Bremsstrahlung radiation forms a _______ emission spectrum | Continuous |
| Both Tube Current and Tube Voltage are factors that can affect the ______ | X-Ray Emission Spectrum |
| The X-Ray Spectrum is a graph of the _______ | Number of x-rays & Range of x-ray energies |
| Photon energy (keV) is the _____ X-Ray Spectrum Graph | X-Axis |
| Intensity (# of photons) is the _____ X-Ray Spectrum Graph | Y-Axis |
| Tube Current | mA |
| Tube Voltage | kVp |
| _______ Influences amplitude & position | kVp Adjustments |
| ______ Hardens the x-ray beam and Removes low energy x-rays | Aluminum |
| Discrete radiation energies of 17 and 19 keV | Molybdenum |
| Discrete radiation energies of 58 and 67 keV | Tungsten |
| Less Ripple results in | More x-ray’s w/ higher energy |
| ________ is Controlled by the kVp Setting | Beam Quality |
| ______ is Controlled by the mA setting | Beam Quantity |
| Beam Quantity describes the | Number of x-ray photons |
| Beam Quality describes the | Max energy of x-ray photons |
| X-rays account for ______ of X-Ray Generation | 1% |
| Heat accounts for ______ of X-Ray Generation | 99% |