Term
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Definition
| Photographic image of an object produced by a beam of ionizing radiation passing through the object |
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Definition
| Top of crest to top of crest |
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Definition
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Term
| Physical Properties of X-rays |
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Definition
Travels in a straight line
Causes some objects to fluoresce
Produce visible image on photographic film |
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Term
| X-ray Production Elements |
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Definition
Source of electrons
Method of accelerating electrons
Obstacle free path for electrons
Target for electrons to interact
Vacuum environment |
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Term
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Definition
Negative
Makes electrons
Filament
Focusing cup |
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Term
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Definition
Positive
Has target
Copper
Focal point that can either move or not move |
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Term
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Definition
Made with tungsten
High melting point
Lets of electrons |
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Definition
Molybdenum
High melting point
Doesn't conduct heat |
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Term
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Definition
| Smaller focal spot = greater quality of image |
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Term
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Definition
| 15 - 20 degrees will make better effective focal spot |
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Definition
| More rays on cathode so more dense part on cathode side |
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Term
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Definition
MilliAmperage
Volume of electrons
High MA = more electrons
Low MA = less electrons |
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Definition
Kilovolts
Time of exposure |
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Definition
Kilovoltage peak
High KVP = fast, short waves
Low KVP = slow, long waves |
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Definition
| Sizes the beam so there is less exposure |
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Term
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Definition
Rotor is activated
Cathode filament is heated to cause thermionic emission
Exposure switch is activated; current flowsand sends electrons toward target
Electrons hit the target on the anode and are deflected down toward the focal effective spot |
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