1. Time interval difference imaging - Correct Answer What digital fluoroscopic imaging technique
utilizes changing masks, which provides information of changes in contrast media content within a
structure
1.Time interval difference imaging
2. Mask mode fluoroscopy
3. K -edge fluoroscopy
4. Synchronized fluoroscopy
1. Light in the fluoroscopy room - Correct Answer All of the following will directly influence the table-
top exposure rate except
1. Light in the fluoroscopy room
2. kVp
3. Target to panel distance
4. Filtration
2. The specific mediums density
3. The energy or radiation
4. The thickness of the absorber traversed - Correct Answer Attenuation of a radiation beam's intensity
as it passes through an absorber is governed by
1. Time
2. The specific mediums density
3. The energy of the radiation
4. The thickness of the absorber traversed
2. video tape recording - Correct Answer What recording medium will result in the least recorded
resolution
1. Spot films using a spot film camera
2. video tape recording
,3. spot films using conventional cassettes
4. video disc recording
4.never - Correct Answer During the period when an individual receives an occupational dose, they are
_ considered to be a "member of the public"
1. sometimes
2. always
3. it depends
4. never
2. 0.50 mm Pb equivalent - Correct Answer A person wearing a _ apron will reduce transmitted
exposure to approximately 99.9% of the incident scatter dose
1. 1.5 mm Pb equivalent
2. 0.50 mm Pb equivalent
3. 0.25 mm Pb equivalent
4. 1.0 mm Pb equivalent
Minification Gain = {15(2) = 225} input screen diameter (2) / {1.0 (2) = 1} output screen diameter (2) =
225/1= 225 - Correct Answer If the input phosphor of an image intensifier measures 15 inches in
diameter and the output phosphor measures 1.0 inches, the minification gain would be
1. 30
2. 225
3. 175
4. 300
2. automatic brightness stabilizer - Correct Answer What electronic system is designed to help maintain
a consistent level of image brightness
1. photo-emitter
2. automatic brightness stabilizer
3. camera control unit
,4. vidicon
4. motion artifact - Correct Answer Energy subtraction as used in digital fluoroscopy exhibits less _ than
temporal subtraction
1. complexity
2. x-ray intensity
3. kVp
4. motion artifact
3. as an estimate from the ESE - Correct Answer Bone marrow dose is measured
1. directly from bone marrow
2. as estimate from gonadal dose
3. as an estimate from ESE
4. directly from the beam
4. all the listed answers - Correct Answer The Privacy Rule is meant to ensure that there is/are
1. security of electronic personal health information
2. standardization of electronic patient health data
3. limits PHI to a "need to know.." basis to carry out medical treatment
4. all the listed answers
4. automatic brightness control - Correct Answer To provide illumination stability of the virtual image
during fluoroscopy, most modern units will automatically adjust radiation levels for more dense and
more radiolucent body parts. This functionality is known as:
1. velling glare
2. image flare
3. automatic adaption
4. automatic brightness control
, 1. video signal - Correct Answer The electronic signal which carries image information from a television
camera to a viewing monitor is termed the:
1. video signal
2. return beam
3. synchronization pulse
4. bandpass
3. outside the apron at the collar level - Correct Answer If only one personnel monitoring device is
worn, it must be located
1. under the apron at the collar level
2. outside the apron at the gonad level
3. outside the apron at the collar level
3. quantum noise - Correct Answer The random pattern of incident radiation, which often results in the
appearance of "snow" or "mottle" when viewing the virtual image is called
1. flicker effect
2. lens opacity
3. quantum noise
d. vignetting
b. 2 and 4 - Correct Answer When wearing a "film badge" as a personnel monitoring device, it must be
positioned
1. at waist level
2. at collar level
3. under the protective apron
4. outside the protective apron
c. 1 and 3 - Correct Answer Which of the following are considered to be advantages of using a film
badge for radiation monitoring
1. inexpensive
utilizes changing masks, which provides information of changes in contrast media content within a
structure
1.Time interval difference imaging
2. Mask mode fluoroscopy
3. K -edge fluoroscopy
4. Synchronized fluoroscopy
1. Light in the fluoroscopy room - Correct Answer All of the following will directly influence the table-
top exposure rate except
1. Light in the fluoroscopy room
2. kVp
3. Target to panel distance
4. Filtration
2. The specific mediums density
3. The energy or radiation
4. The thickness of the absorber traversed - Correct Answer Attenuation of a radiation beam's intensity
as it passes through an absorber is governed by
1. Time
2. The specific mediums density
3. The energy of the radiation
4. The thickness of the absorber traversed
2. video tape recording - Correct Answer What recording medium will result in the least recorded
resolution
1. Spot films using a spot film camera
2. video tape recording
,3. spot films using conventional cassettes
4. video disc recording
4.never - Correct Answer During the period when an individual receives an occupational dose, they are
_ considered to be a "member of the public"
1. sometimes
2. always
3. it depends
4. never
2. 0.50 mm Pb equivalent - Correct Answer A person wearing a _ apron will reduce transmitted
exposure to approximately 99.9% of the incident scatter dose
1. 1.5 mm Pb equivalent
2. 0.50 mm Pb equivalent
3. 0.25 mm Pb equivalent
4. 1.0 mm Pb equivalent
Minification Gain = {15(2) = 225} input screen diameter (2) / {1.0 (2) = 1} output screen diameter (2) =
225/1= 225 - Correct Answer If the input phosphor of an image intensifier measures 15 inches in
diameter and the output phosphor measures 1.0 inches, the minification gain would be
1. 30
2. 225
3. 175
4. 300
2. automatic brightness stabilizer - Correct Answer What electronic system is designed to help maintain
a consistent level of image brightness
1. photo-emitter
2. automatic brightness stabilizer
3. camera control unit
,4. vidicon
4. motion artifact - Correct Answer Energy subtraction as used in digital fluoroscopy exhibits less _ than
temporal subtraction
1. complexity
2. x-ray intensity
3. kVp
4. motion artifact
3. as an estimate from the ESE - Correct Answer Bone marrow dose is measured
1. directly from bone marrow
2. as estimate from gonadal dose
3. as an estimate from ESE
4. directly from the beam
4. all the listed answers - Correct Answer The Privacy Rule is meant to ensure that there is/are
1. security of electronic personal health information
2. standardization of electronic patient health data
3. limits PHI to a "need to know.." basis to carry out medical treatment
4. all the listed answers
4. automatic brightness control - Correct Answer To provide illumination stability of the virtual image
during fluoroscopy, most modern units will automatically adjust radiation levels for more dense and
more radiolucent body parts. This functionality is known as:
1. velling glare
2. image flare
3. automatic adaption
4. automatic brightness control
, 1. video signal - Correct Answer The electronic signal which carries image information from a television
camera to a viewing monitor is termed the:
1. video signal
2. return beam
3. synchronization pulse
4. bandpass
3. outside the apron at the collar level - Correct Answer If only one personnel monitoring device is
worn, it must be located
1. under the apron at the collar level
2. outside the apron at the gonad level
3. outside the apron at the collar level
3. quantum noise - Correct Answer The random pattern of incident radiation, which often results in the
appearance of "snow" or "mottle" when viewing the virtual image is called
1. flicker effect
2. lens opacity
3. quantum noise
d. vignetting
b. 2 and 4 - Correct Answer When wearing a "film badge" as a personnel monitoring device, it must be
positioned
1. at waist level
2. at collar level
3. under the protective apron
4. outside the protective apron
c. 1 and 3 - Correct Answer Which of the following are considered to be advantages of using a film
badge for radiation monitoring
1. inexpensive
