Physics
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| show | 69 keV is required to ionize tungsten through removal of a K-shell electron Bushong p. 44
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| show | A photon is the smallest quantity of any type of electromagnetic energy; an energy distrubance that moves through space at the speed of light. Bushong p. 57 paragraph 5 and 7
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| What type of mass does a photon have? | show 🗑
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| show | An induction motor works through ELECTROMAGNETIC induction. Bushong p. 127
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| Pair production occurs with x-rays that have energies greater than ________. | show 🗑
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| What controls radiographic contrast? | show 🗑
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| show | Distance has NO effect on radiation quality. Bushong p. 248
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| What is the principle advantage of tomography? | show 🗑
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| show | The position of the FULCRUM determines the object plane in tomography. Bushong p 266
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| Electric potential is measured in ______. | show 🗑
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| Adding filtration to the useful x-ray beam reduces x-ray beam ________. | show 🗑
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| show | Comton scatter REDUCES image contrast. Bushong p.165
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| What are the fundamental particles of an atom? | show 🗑
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| No outer shell can contain more than ______ electrons. | show 🗑
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| Atoms that have the same number of neutrons but different protons are called ________. | show 🗑
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| show | ISOMER'S have the same atomic number amd the same atomic mass number. Bushong p.47
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| show | X-rays and gamma rays are forms of electromagnetic radiation called PHOTONS. Bushong p. 54
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| The autotransformer has a _______ winding. | show 🗑
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| _________________ is the process of converting AC to DC. | show 🗑
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| show | With THREE phase power, the voltage impressed across the x-ray tube is nearly constant, never dropping to zero during exposure. Bushong p. 113
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| show | The x-ray tube current is adjusted by controlling the FILAMENT current. Bushong p. 123
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| show | The cathode is the negative side of the x-ray tube; it has two primary parts: a FILAMENT and a FOCUSING CUP. Bushong p. 122
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| show | The induction motor works through ELECTROMAGNETIC induction. Bushong p. 127
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| Which generates more heat, three-phase or single-phase? | show 🗑
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| show | Most x-rays in the diagnostic range (20-150kVp) are BREMSSTRAHLUNG x-rays. Bushong p. 149
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| show | X-ray QUANTITY is the numebr of x-rays in the useful beam. Bushong p. 153
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| show | Increasing filtration increase the QUALITY of an x-ray beam. Bushong p. 157
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| show | ensating filters are useful for maintaining image QUALITY. Bushong p. 160
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| An x-ray with les than 1.02 MeV cannot undergo _______ _________. | show 🗑
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| Attenuation is the product of __________ and ___________. | show 🗑
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| show | LOW-ENERGY x-rays are more likely to be absorbed in the target. Bushong p. 146
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| In the diagnostic range, a ______% increase in kVp is equivalent to doubling the mAs. | show 🗑
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