Key Words
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each of the black spaces below before clicking
on it to display the answer.
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| Anatomically programmed radiography | show 🗑
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| show | an electronic circuit within the x-ray machine that automatically terminates the exposure when predetermined quantity of x-rays has been detected
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| Autotransformer | show 🗑
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| Back-up timer | show 🗑
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| Diode | show 🗑
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| Electric ground | show 🗑
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| Electronic timer | show 🗑
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| Exposure switch | show 🗑
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| show | the time in which x-rays are being made
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| show | utilizes the entire electric cycle, the use of 4 diodes in a circuit and redirecting the current during the negative half of the electric cycle so that current will flow in the same direction during both halves of the cycle
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| show | the measurement of heating in the x-ray tube, all tubes have a maximum heat limit
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| High frequency x-ray generator | show 🗑
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| Ionization chamber | show 🗑
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| Phototimer | show 🗑
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| show | a unit that makes the current flow in one direction
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| Rheostat (mA selector) | show 🗑
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| Rotor/prep/ready/standby switch | show 🗑
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| show | primitive and inefficient form of rectification in which the x-ray tube itself controls the direction of current flow
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| Single phase current | show 🗑
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| Synchronous timer | show 🗑
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| show | alternating current is generated in 3 overlapping cycles that produce a more constant & efficient voltage and when rectified is in a waveform that has the appearance of a ripple with no real low points
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| Tube rating chart | show 🗑
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| Line meter | show 🗑
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| Rectification – | show 🗑
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| Contrast | show 🗑
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| Density (radiographic) | show 🗑
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| Distortion | show 🗑
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| Elongation | show 🗑
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| Foreshortening | show 🗑
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| show | movements of the body in which the patients has no control over such as tremors, peristalsis and heart beat
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| Magnification | show 🗑
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| Object-image distance | show 🗑
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| show | a film that is too dark
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| Penetrometer (step-wedge) | show 🗑
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| show | unwanted exposure to the film
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| show | the unsharp edges of an image; the blur; geometric unsharpness
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| show | a grainy or mottled (spotty) appearance of the image usually caused by the use of an insufficient radiation exposure for the boy part or for the requirement of the image receptor. Not desirable in creating x-ray
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| show | the overall contrast seen in the radiographic image
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| Recorded detail | show 🗑
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| show | result in unequal magnification of the actual shape of the structure
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| Short scale contrast | show 🗑
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| Size distortion | show 🗑
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| Source-image distance | show 🗑
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| Subject contrast | show 🗑
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| Tissue density | show 🗑
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| Umbra | show 🗑
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| Underexposed | show 🗑
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| Voluntary motion | show 🗑
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| Long scale contrast | show 🗑
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| Inverse square Law | show 🗑
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| Control console | show 🗑
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| show | the subcircuit of the circuit that supplies and controls the heat required by the x-ray tube filament for thermionic emissionbefore processing; used to measure contrast
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| Low voltage circuit | show 🗑
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| show | subcircuit of the x-ray circuit that begins and ends with the secondary side of the step up transformer, it increases the voltage to make x-rays
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| show | a device that ensures that the outgoing voltage is accurate regardless of fluctuations in the incoming line
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| kVp meter | show 🗑
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| show | device that is connected midpoint of the secondary side of the step-up transformer that measures the current flowing in the high-voltage circuit during exposure
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| Alternating current | show 🗑
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| show | current that flows only in one direction
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| Falling load generator | show 🗑
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| show | uniform tight contact with two intensifying screens with the film between them
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Created by:
mdtodd
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