Limited Operator
Help!
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| When were X-rays discovered? | show 🗑
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| Who discovered X-rays? | show 🗑
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| show | ASRT
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| Establishes standards and examinations necessary to certify radiologic technologists - | show 🗑
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| National organization that formally conducts the accreditation of schools of radiologic technolgy - | show 🗑
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| show | Limited X-ray Machine Operator - the scope of practice is limited compared to registered techonologists
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| show | Radiologist
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| The source of the X-ray Beam - | show 🗑
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| show | Tube Housing
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| show | the radiation field
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| An imaginary line in the center of the x-ray beam and perpendicular to the long axis of the X-ray beam - | show 🗑
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| "Unseen" Image | show 🗑
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| Absorbtion of the X-ray Beam | show 🗑
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| Radiation out side the body that has less engery but is hard to control - | show 🗑
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| Causes unwanted exposure to the films and anyone in the room - | show 🗑
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| Consists of the x-ray film and film holder | show 🗑
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| show | CR or Computed Radiography
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| show | Collimator
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| A postition that allows the head to be lowered at least 15 degrees | show 🗑
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| An oscilating grid under the table top | show 🗑
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| show | True
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| Unit that represents the rate at which x-rays are produced - | show 🗑
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| show | mA x seconds = mAs
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| show | 300 mA x .04 sec = 120 mAs
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| Calculate the exposure time of 50 mA and 40 mAs - | show 🗑
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| show | 100 mAs / .5 sec = 200 mA
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| show | SID or Source to Image Distance
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| show | TRUE
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| T or F - kVp is not a useful adjustment for relativly small variations from normal technique | show 🗑
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| Beloe 85 kVp, and adjustment of ______ will compensate for small changes in part size - | show 🗑
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| Above 85 kVp, and adjustment of ________ is necessary | show 🗑
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| show | 30 (multiply the mAs by 1.3)
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| show | 20 (multiple the mAs by 0.8)
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| show | increased
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| show | decreases contrast, increases latitude, and creates a GRAYER image
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| kVp is ________ to shorten the scale of contrast - | show 🗑
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| show | increased contrast, more black and white appearance
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