Radiographic Imaging Chapter 5 Vocabulary

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1. Automatic Exposure control

A device programmed to terminate the radiographic exposure timer, aka automated exposure device.

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2. automatic exposure device

A device programmed to terminate the radiographic exposure timer, aka automatic exposure control.

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4. compression band

A piece of equipment used to restrain a patient or compress abdominal issues.

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5. computed tomography unit

specialized radiography equipment that allows the taking of sectional images.

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6. diagnostic

methods used to determine the source or cause of a disease, disorder, or traumatic injury.

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7. exposure switch

A remote control device that permits current flow through the circuit.

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8. filament circuit

Supplies the filament of the x-ray tube with property of modified power.

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9. fixed

A piece of equipment that remains in one place and is not moveable

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10. floor suspension system

A type of radiography unit that uses a tube support column mounted on the floor.

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11. floor to ceiling suspension system

A type of radiography unit that uses a pair of rails for longitudinal positioning

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12. footboard

A piece of equipment used with a tilting table that allows the patient to stand when the table is upright.

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13. handgrip

A piece of equipment that allows the patient to grip when the table is being tilted for added support and reassurance.

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14. head unit

Specialized radiography equipment used to conduct cranial studies.

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15. incoming-line current

The alternating current that is supplied to buildings; usually supplied in three phase power cycle; also called the mains.

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16. ionization chamber

An automatic exposure control device used to terminate the exposure after a desired exposure has been reached.

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17. main circuit

Supplies the x-ray tube with properly modified power.

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18. mains

The alternating current is supplied to buildings; usually supplied in three phase power cycle, also called incoming -line current.

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19. main switch

The switch that generates the power to the x-ray tube.

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20. mammography unit

Specialised radiography equipment for studies and imaging of the breast tissues.

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21. milliampere-second timer

A device used in falling -load generators and some capacitor units to monitor the product of mA and time on the secondary side of the high-voltage step-up transformer.

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22. minimum reaction time

The length of time necessary for the AEC to respond to the radiation and the generator to terminate the exposure.

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23. mobile system

A type of radiography equipment that can be brought to the patient anywhere the patient might be.

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24. multiphase power

The combination of several waveforms of current slightly out of step with one another.

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25. overhead suspension system

A type of radiography unit that allows control of longitudinal and transverse positioning as well as vertical distance.

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26. panoramic dental and facial unit

Specialized radiography equipment for combined tomography of facial and dental structures.

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27. phototimers

Often used to describe all automatic exposure controls, this type of AES os rarely used in modern radiography.

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28. shoulder support

A piece of equipment that keeps the patient from sliding off the table when the table is tilted head down.

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29. simulator unit

Specialized radiography equipment that allows verification of radiation therapy prior to actual treatment.

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31. single phase power

Power supply that allows the potential difference to drop to zero with every change in the direction of current flow.

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32. therapeutic

Methods used to treat and rehabilitate a disease, disorder, or traumatic injury.

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33. tilting

A piece of equipment that is moveable and can be angled according to need.

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34. timer

Device used to end the exposure at an accurately measured preset time.

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35. tomography unit

Specialized radiography equipment that allows movement in an arc during exposure.

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36. urological unit

Specialized radiography equipment that allows study of the urological and genital structures.

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37. voltage ripple

The net voltage produced during full wave rectification.