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27 Cards in this Set
- Front
- Back
74. WHICH OF THE FOLLOWING CHARTS MAY BE CONSULTED TO DETERMINE THE SAFETY OF A SINGLE X-RAY EXPOSURE
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TUBE RATING CHART
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75. WHICH OF THE FOLLOWING CHARTS MAY BE CONSULTED TO DETERMINE THE SAFETY OF A SERIES OF X-RAY EXPOSURE
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ANODE COOLING CURVE
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76. THE PORTION OF THE IMAGE-INTENSIFIER TUBE THAT CONVERTS ELECTRON ENERGY TO VISIBLE LIGHT IS THE
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OUTPUT PHOSPHOR
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77. THE PORTION OF THE IMAGE-INTENSIFIER TUBE THAT CONVERTS VISIBLE LIGHT TO AN ELECTRONIC IMAGE IS THE
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PHOTOCATHODE
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78. THE INPUT PHOSPHOR OF THE IMAGE-INTENSIFIER TUBE CONVERTS
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X-RAY ENERGY TO VISIBLE LIGHT
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79. TOTAL BRIGHTNESS GAIN ACHIEVED USING AN IMAGE INTENSIFIER EQUALS
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FLUX GAIN TIMES MINIFICATION GAIN
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80. SINGLE-PHASE, FULL-WAVE RECTIFICATION PRODUCES
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PULSATING DIRECT CURRENT WITH 120 PULSES PER SECOND AND 100% RIPPLE
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81. THREE-PHASE, SIX-PULSE FULL-WAVE RECTIFICATION PRODUCES
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DIRECT CURRENT WITH 13% RIPPLE
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82. THREE-PHASE, TWELVE-PULSE FULL WAVE RECTIFICATION PRODUCES
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DIRECT CURRENT WITH 4% RIPPLE
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83. THE INCREASE IN AVERAGE PHOTON ENERGY WHEN USING THREE-PHASE, SIX-PULSE EQUIPMENT COMPARED WITH SINGLE-PHASE EQUIPMENT IS
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35%
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84. THE INCREASE IN AVERAGE PHOTON ENERGY WHEN USING THREE-PHASE, 12-PULSE EQUIPMENT COMPARED WITH SINGLE-PHASE EQUIPMENT IS
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41%
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85. PROGRAMS THAT DEAL WITH THE SAFE AND RELIABLE OPERATION OF EQUIPMENT AND THOSE THAT ADDRESS ALL ASPECTS OF THE DELIVERY OF RADIOLOGY SERVICES ARE CALLED, RESPECTIVELY
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QUALITY CONTROL AND QUALITY ASSURANCE
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86. EXAMPLES OF DEDICATED X-RAY EQUIPMENT INCLUDE
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MAMMOGRAPHY UNITS, TOMOGRAPHY UNITS, AND MOBILE X-RAY MACHINES
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87. THE COLLIMATOR MUST BE ACCURATE TO A LEVEL OF
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2% OF SID
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88. kVp MUST BE ACCURATE TO WITHING
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4
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89. EXPOSURE LINEARITY MUST BE ACCURATE TO WITHIN
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10%
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90. EXPOSURE REPRODUCIBILITY MUST BE ACCURATE TO WITHIN
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5%
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91. WHEN A SPINNING TOP TEST IS PERFORMED ON SINGLE-PHASE EQUIPMENT, A RADIOGRAPH EXHIBITING FOUR DOTS WOULD INDICATE
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AN ACCURATE TIMER, IF SET ON 1/30 SECOND
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92. WHEN A SPINNING TOP TEST IS PERFORMED ON THREE-PHASE EQUIPMENT, A TIMER SETTING OF 1/60 SECOND SHOULD INDICATE THE FOLLOWING ON THE RESULTANT RADIOGRAPH
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A 6-DEGREE ARC
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93. THE TEST THAT MEASURES THE ACCURACY OF ADJACENT mA STATIONS IS
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EXPOSURE LINEARITY
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94. THE TEST THAT MEASURES THE ACCURACY OF SUCCESSIVE EXPOSURE IS
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EXPOSURE REPRODUCIBILITY
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95. EFFECTIVE FOCAL-SPOT SIZE MAY BE MEASURED USING THE FOLLOWING TOOL(S)
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SLIT CAMERA, STAR TEST PATTERN, AND PINHOLE CAMERA
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96. RESOLUTION OF THE TELEVISION SYSTEM MAY BE MEASURED USING THE FOLLOWING TOOL(S)
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RESOLUTION TEST PATTERN
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97. AUTOMATIC EXPOSURE CONTROLS MAY BE TESTED USING
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PHANTOMS
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98. THE AMOUNT OF mA USED FOR FLUOROSCOPY IS
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3-5
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99. MARKS ON THE FOCAL TRACK OF THE ANODE RESULTING FROM BOMBARDMENT OF ELECTRONS ARE CALLED
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PITTING
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100. EFFECTIVE QUALITY CONTROL AND QUALITY ASSURANCE PROGRAMS ARE REQUIRED FOR ACCREDITATION BY
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THE JOINT COMMISSION
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