ARRT registry review covering equipment operation, QA, etc. content area
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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What is the voltage ripple for a 3 phase 6 pulse generator? | show 🗑
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show | 3-4%
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What is the voltage ripple for a high frequency generator? | show 🗑
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show | 100%
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How often should lead apron checks be done? | show 🗑
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show | 25 cm, 17 cm, 12 cm
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What are input phosphors made of? | show 🗑
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What is the average output phosphor size? | show 🗑
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What are output phosphors made of? | show 🗑
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show | increase SID, decrease OID
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show | minification x flux gain
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What is the magnification factor formula? | show 🗑
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What kind of interaction is caused by the energy from slowing down of electrons that produces an x-ray | show 🗑
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show | Brehmsstrahlung
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show | Characteristic
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show | increases, decreases, increases
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What is radiation that exits the tube? | show 🗑
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show | remnant radiation
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show | erased every 24-48 hours; cleaned monthly
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inverse square formula | show 🗑
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show | kVp x mA x seconds x generator x # of exposures taken
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unsharpness formula | show 🗑
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show | pi lines
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appear as scratch lines parallel to direction of film travel separated by 1-2" | show 🗑
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How often should fluoroscopy output be tested? | show 🗑
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What type of exams would have a type 1 histogram? | show 🗑
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show | abdomen
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show | contrasted studies, prosthetics, metal hardware
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Where is the range for the exposure indicator number found? | show 🗑
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Where is the VOI/ROI found on a histogram? | show 🗑
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show | increases, decreases
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EI is ____________ proportional to exposure of the image receptor | show 🗑
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show | inversely
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What is the ability of a digital system to display changes in gray scale values-bit depth? | show 🗑
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show | spatial resolution
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What is optimal kVp for extremities-peds? | show 🗑
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show | 64
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show | 72-76
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What is optimal kVp for large extremities? | show 🗑
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show | 76
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show | PACS, picture archival communication system
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Order entry, patient demographic information; frequently integrated with PACS and sometimes HIS/EMR | show 🗑
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What is optimal kVp for skull (general)? | show 🗑
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What is optimal kVp for abdomen, pelvis, lumbar? | show 🗑
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What is optimal kVp for vertebral column (C&T spines)? | show 🗑
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show | 86/120
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What is optimal kVp for barium based contrast media studies plain/double contrast? | show 🗑
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What is optimal kVp for iodine based contrast media studies? | show 🗑
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show | HIS, hospital information system
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show | EMR/EHR, electronic medical record/electronic health record
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Standard developed to interconnect medical digital imaging devices | show 🗑
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