Fluoroscopy Study Guide questions with verified answers

Fluoroscopy Study Guide questions with verified ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




answers


Using fluoroscopy to position patients prior to taking routine radiographic films is______
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by the State of California, Radiologic Health Branch - correct answer✔✔Prohibited
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(T/F) Persons who have been instructed in the safe operation of fluoroscopic equipment
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must demonstrate competency at their place of employment before they can operate fluoro
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equipment - correct answer✔✔True ||\\|//|| ||\\|//|| ||\\|//||




Radiologists must hold: - correct answer✔✔Radiology supervisor and operator license ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




Physicians must hold: - correct answer✔✔Fluoroscopy supervisor and operator license ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




(directly/ indirectly) Fluoroscopic x-ray output, and patient dose, is _______ proportional
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to the mA used. - correct answer✔✔directly
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Tube current for regular, non-digital fluoroscopy typically ranges between ___ to___ mA. -
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correct answer✔✔1.0 - 5.0 mA ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




During non-digital spot filming, the mA utilized is typically: - correct answer✔✔Over 100
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mA



During digital spot filming, the mA utilized is typically between ___ to ___ mA: - correct
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answer✔✔1-100 mA ||\\|//||




As field of view is reduced with tighter collimation,
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, 1. image will become brighter
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2. image will not become brighter
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3. image quality will be improved
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4. image quality will be reduced - correct answer✔✔2 and 3
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Fluoroscopic table tilt for fixed units is ____degrees to the upright position and ___ ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




degrees in the Trendelenburg position. - correct answer✔✔90; 30. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




The exposure rate measured at the panel or tabletop shall be as low as practicable and may
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not exceed ____ rads per minute. This converts to _____ Gyt. - correct answer✔✔5 rads ;
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.05 Gyt ||\\|//||




In fluoroscopic systems equipped with automatic brightness control and under the table x-
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ray tube, as the image intensifier is moved away from the patient:
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1. patient dose decreases
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2. patient dose increases
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3. more x-rays are intercepted at the image intensifier
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4. fewer x-rays are intercepted at the image intensifier - correct answer✔✔2 and 4
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a dead-man type fluoroscopic switch:
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1. terminates the exposure when pressure is applied
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2. terminates the exposure when pressure is released
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3. can be operated by the foot switch - correct answer✔✔2 and 3
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The blurring of the image as the fluoroscopic camera is moved rapidly during a procedure
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is called _________ - correct answer✔✔Tube Lag
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