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27 Cards in this Set

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