California Fluoroscopy State Board Exam Questions With Correct Answers

California Fluoroscopy State Board Exam
Questions With Correct Answers

What digital fluoroscopic imaging technique utilizes changing masks, which
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provides information of changes in contrast media content within a structure
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1.Time interval difference imaging
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2. Mask mode fluoroscopy
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3. K -edge fluoroscopy
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4. Synchronized fluoroscopy - CORRECT ANSWER✔✔-1. Time interval difference
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imaging


All of the following will directly influence the table-top exposure rate except
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1. Light in the fluoroscopy room
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2. kVp
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3. Target to panel distance
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4. Filtration - CORRECT ANSWER✔✔-1. Light in the fluoroscopy room
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Attenuation of a radiation beam's intensity as it passes through an absorber is
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governed by |




1. Time
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2. The specific mediums density
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3. The energy of the radiation
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4. The thickness of the absorber traversed - CORRECT ANSWER✔✔-2. The specific
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mediums density
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,3. The energy or radiation
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4. The thickness of the absorber traversed
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What recording medium will result in the least recorded resolution
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1. Spot films using a spot film camera
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2. video tape recording
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3. spot films using conventional cassettes
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4. video disc recording - CORRECT ANSWER✔✔-2. video tape recording
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During the period when an individual receives an occupational dose, they are _
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considered to be a "member of the public"| | | | | | |




1. sometimes
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2. always
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3. it depends
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4. never - CORRECT ANSWER✔✔-4.never
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A person wearing a _ apron will reduce transmitted exposure to approximately
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99.9% of the incident scatter dose
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1. 1.5 mm Pb equivalent
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2. 0.50 mm Pb equivalent
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3. 0.25 mm Pb equivalent
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4. 1.0 mm Pb equivalent - CORRECT ANSWER✔✔-2. 0.50 mm Pb equivalent
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,If the input phosphor of an image intensifier measures 15 inches in diameter and
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the output phosphor measures 1.0 inches, the minification gain would be
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1. 30|




2. 225
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3. 175
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4. 300 - CORRECT ANSWER✔✔-Minification Gain = {15(2) = 225} input screen
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diameter (2) / {1.0 (2) = 1} output screen diameter (2) = 225/1= 225
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What electronic system is designed to help maintain a consistent level of image
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brightness
1. photo-emitter
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2. automatic brightness stabilizer
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3. camera control unit
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4. vidicon - CORRECT ANSWER✔✔-2. automatic brightness stabilizer
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Energy subtraction as used in digital fluoroscopy exhibits less _ than temporal
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subtraction
1. complexity
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2. x-ray intensity
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3. kVp
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4. motion artifact - CORRECT ANSWER✔✔-4. motion artifact
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Bone marrow dose is measured
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1. directly from bone marrow
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, 2. as estimate from gonadal dose
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3. as an estimate from ESE
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4. directly from the beam - CORRECT ANSWER✔✔-3. as an estimate from the ESE
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The Privacy Rule is meant to ensure that there is/are
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1. security of electronic personal health information
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2. standardization of electronic patient health data
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3. limits PHI to a "need to know.." basis to carry out medical treatment
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4. all the listed answers - CORRECT ANSWER✔✔-4. all the listed answers
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To provide illumination stability of the virtual image during fluoroscopy, most
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modern units will automatically adjust radiation levels for more dense and more
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radiolucent body parts. This functionality is known as:
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1. velling glare
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2. image flare
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3. automatic adaption
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4. automatic brightness control - CORRECT ANSWER✔✔-4. automatic brightness
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control


The electronic signal which carries image information from a television camera to
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a viewing monitor is termed the:
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1. video signal
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2. return beam
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3. synchronization pulse
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