Limited Operator
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| show | Novemeber 8, 1895
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| Who discovered X-rays? | show 🗑
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| Largest radiologic science professional organization - | show 🗑
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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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| LXMO | show 🗑
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| Physicians that specialize in interpreting radiographs and preform special imaging procedures - | show 🗑
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| show | X-ray Tube
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| show | Tube Housing
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| show | the radiation field
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| show | Central Ray
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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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| show | IR (Image Receptor)or Cassette
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| show | CR or Computed Radiography
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| A box like device attached under the tube housing that allows variation in the size of the raditaion field. | show 🗑
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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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| show | mA or Milliamperage
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| The formula for determining mAs | show 🗑
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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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| Distance in inches between the radiation source in the x-ray tube and the imaging plane | show 🗑
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| show | TRUE
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| show | False - kVp IS a useful adjustment for realativly small variations from normal, because large changes in kVp cause significant alterations in appreance.
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| show | 2 kVp/cm
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| Above 85 kVp, and adjustment of ________ is necessary | show 🗑
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| For a 2 cm increase in patient part size, increase the mAs by ________% | show 🗑
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| show | 20 (multiple the mAs by 0.8)
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| kVp is ________ to lengthen the scale of contrast - | show 🗑
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| show | decreases contrast, increases latitude, and creates a GRAYER image
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| show | decreased
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| show | increased contrast, more black and white appearance
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