Chap 5-7 exam
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| The shift of the characteristic x ray spectrum to higher energy occurs because of which of the following | show 🗑
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| show | most x rays are bremsstrahlung
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| show | more bremsstrahlung x rays are produced
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| A technique using high kVp (70 or above) would result in _______ compared to a low kVp technique. | show 🗑
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| During the Compton effect most of the incident x ray energy is given to which of the following | show 🗑
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| When the kVp is increased, x ray quantity | show 🗑
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| What occurs when the small rather than the large cathode coil is energized | show 🗑
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| When the mAs is increased, x ray quantity | show 🗑
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| show | volts
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| The amplitude of the bremsstrahlung x ray emission spectrum | show 🗑
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| show | photo-electric effect
compton effect
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| X rays are produced when | show 🗑
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| Effective compensation for the anode heel effect would involve positioning: | show 🗑
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| show | an atom is ionized
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| The HVL is affected principally by a change in which of the following | show 🗑
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| show | cathode end of the beam
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| show | the complete absorption of an x ray with the subsequent emission of an electron
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| A technique using high kVp (80 or above) would result in _______ compared to a low kVp technique. | show 🗑
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| Molybdenum has a lower atomic number than tungsten; therefore, the molybdenum x ray emission spectrum (graph) | show 🗑
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| show | radioactivity
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| show | the area under the emission spectrum
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| Characteristic x rays | show 🗑
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| show | heat
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| show | an additional 1.0 mm Al filtration will harden the x ray beam
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| show | bremsstrahlung
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| The continuous x ray emission spectrum principally depends on which of the following | show 🗑
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| show | the number of x rays produced increases
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| show | 70 or higher kvp
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| show | x ray quantity
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| Both the shape and the position of the characteristic x ray emission spectrum | show 🗑
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| Useful characteristic x rays are produced in tungsten | show 🗑
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| The output intensity of an x ray tube | show 🗑
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| The energy of characteristic x rays increases with increasing | show 🗑
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| Differential absorption | show 🗑
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| show | 0.5 mm Al
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| show | the kinetic energy of the projectile electron
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| show | the target material affects the amplitude of bremsstrahlung x rays
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| show | radiation quality
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| show | radiation quality
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| Anatomic structures that readily (easily) transmit x rays are | show 🗑
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| show | decreases in proportion to distance squared
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| show | is about 1% efficient in the production of x-rays
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| The quality of an x ray beam is principally a function of which of the following | show 🗑
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| show | 30 keV bremsstrahlung x ray
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| _____ is the phenomenon that occurs around the filament during thermionic emission and prevents the further escape of electrons from the filament. | show 🗑
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| Another meaning of x ray quantity is x ray | show 🗑
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| Which characteristic is reduced as x ray energy increases | show 🗑
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| When filtration is added to a normally filtered x ray beam, the x ray emission spectrum will | show 🗑
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| show | conversion of incident electron kinetic energy to electromagnetic energy
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| When characteristic x rays are produced the energy of the x rays is characteristic of | show 🗑
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