Radiology SEE
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 | Cathode
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| the positive electrode (terminal) in the x-ray tube. Tungsten block, normally set at a 20-degree angle facing the cathode, embedded in the copper portion of the terminal. | show 🗑
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| show | collimator
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| either of two terminals of tan electric source. In the x-ray tube, either the anode or the cathode. | show 🗑
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| absorbing material, usually aluminum, placed in the path of the beam of radiation to remove a high percentage of the low energy (lower wavelength) x-rays. | show 🗑
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| the spiral tungsten coil in the focusing cup of the cathode of the x-ray tube. | show 🗑
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| show | incandescence
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| a term derived of the Greek meaning “having many colors.” Used in dental radiography to describe the x-ray beam because it is composed of many different wavelengths | show 🗑
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| show | kilovolt peak
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| show | thermionic emission
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| Element with an atomic number of 74. High melting point makes this metal ideal for use as the cathode filament and s the anode target. | show 🗑
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| show | yoke
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| the unit of intensity of an electric current produced by 1 volt acting through a resistance of 1ohm. | show 🗑
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| a mass of free electrons that hovers around the filament wire of the cathode when it is heated to incandescence. The number of free electron increases as the miliamperage is increased. | show 🗑
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| a path of electrical current. | show 🗑
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| key pad or switch that activates the x-ray production process. | show 🗑
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| show | focal spot
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| show | quantity
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| Term used when describing the intensity of the x-ray beam. Refers to the penetrating ability of the beam | show 🗑
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| show | tube head
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| electronic tube located in the tube head that generates x-rays | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
sarahearl
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