Ch. 7 and 8
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | beam quality and kVp
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| show | increase; amplitude and position
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| The HVL of an x-ray beam is a measurement of beam | show 🗑
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| An increase in mAs would ____ the ______ of the emission spectrum | show 🗑
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| Beam energy is affected by | show 🗑
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| show | quality; right
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| An exposure taken at 100 kVp would have a continuous emission spectrum with a maximum energy of _____ keV | show 🗑
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| show | penetrability
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| An x-ray beam that could pass through dense tissue would have high ___ | show 🗑
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| show | mAs
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| show | quality (controlled by kVp)
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| Characteristic x-rays are produced by | show 🗑
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| X-ray intensity is proportional to | show 🗑
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| Bremss x-rays are produced by _____ at the target | show 🗑
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| If an exposure is 0.5 mGy at an SID of 40, what would the exposure be at an SID of 60 | show 🗑
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| show | 100%
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| Most of the x-rays produced at the target are | show 🗑
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| show | 0.25 mGy
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| show | 69.5
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| show | 100%
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| show | K
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| The inverse square law has the same effect on x-ray ____ and x-ray ____ | show 🗑
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| If a technologist changes the technique from 70 kVp @ 200 mAs to 70 kVp @ 400 mAs, the x-ray intensity will | show 🗑
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| Electron interactions at the inner shell of the target atoms produce ____ radiatio | show 🗑
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| show | increased by a factor of 2
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| show | 1%
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| show | much greater
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| The efficiency of x-ray production increases as ____ increases | show 🗑
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| If filter thickness is _____ then x-ray intensity is ____ | show 🗑
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| The production of heat at the anode is directly proportional to | show 🗑
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| Most of the heat generated at the target is due to | show 🗑
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| The efficiency of x-ray production is ____ the tube current | show 🗑
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| At the target, the projectile electrons interact with | show 🗑
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| During an exposure, most of the ____ energy of the projectile electrons is converted to ____ | show 🗑
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| show | cathode to anode
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| If the SID is reduced by half, how is the x-ray intensity at the image affected | show 🗑
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| X-ray intensity increases in direct proportion to increases in | show 🗑
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| show | intensity (same as quantity)
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| show | quantity, exposure, and intensity
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