California Fluoroscopy State Board Exam Questions With
Complete Solutions
A _ target-to-panel distance is optimal for most fluoroscopic
examinations; however, target-to-table distance shall not be less
than _ and should be at least _ Correct Answers 18 inches
12 inches
18 inches
A "multifield" image intensifier refers to:
1. collimated size of the incident beam
2. physcial size of the input phosphor
3. modes of magnification
4. physcial size of the output phosphor Correct Answers 3.
modes of magnification
A "multifield" image intensifier refers to:
1. physical size of output phosphor
2. physical size of the input phosphor
3. collimated size of the incident beam
4. modes of magnification Correct Answers 4. modes of
magnification
A cell's operational "programming" is stored in what part of the
cell?
1. chromosomes
2. genes
3. DNA
4. cytoplasm Correct Answers 3. DNA
,A cesium iodide/ amorphous silicon flat panel detector used for
digital fluoroscopy is considered to be a:
1. indirect digital detector
2. direct digital detector
3. scintillator detector
4. non-scintillator detector Correct Answers 1. indirect digital
detector
3. scintillator detector
A charge coupled device utilized for image viewing compared to
an analog TV camera tube will exhibit increased
1. spatial resolution
2. signal - to - noise ratio
3. detective quantum efficiency
4. all of the above Correct Answers 4. all of the above
A charged coupled device (CCD) has _ sensitivity to light and a
_ level of signal - to - noise ratio than an analog pick-up tube.
1. lower, lower
2. higher, higher
3. higher, lower
4. lower, higher Correct Answers 2. higher, higher
A charged coupled device (CCD) has a _ sensitivity response
curve as compared to other types of television image receptors:
1. increased
2. decreased
3. linear
4. non linear Correct Answers 3. linear
,A closed circuit fluoroscopic television system operated at a
frame rate of:
1. 262 1/2 frames/second
2. 60 frames/second
3. 30 frames/second
4. 525 frames/second Correct Answers 3. 30 frames/second
A digital camera uses a _ to capture light from the output
phosphor on an image intensifier.
1. closed circuit digital
2. contrast control device
3. charge coupled device
4. cold cathode device Correct Answers 3. charge coupled
device
A digital fluoroscopy with a charge coupled device has lower _
and higher _ than conventional fluoroscopy.
1. patient dose, light sensitivity
2. detective quantum efficiency, maintenance
3. light sensitivity, patient dose
4. signal-to-noise ratio, patient dose Correct Answers 1. patient
dose, light sensitivity
A fluoroscopy system using a dynamic flat panel image receptor
as compared to conventional fluoroscopy requires
1. higher tube potential
2. higher x-ray tube current
3. lower x-ray tube current
4. higher capacity x-ray tubes Correct Answers 2. higher x-ray
tube current
, 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 Correct Answers 2. 0.50 mm Pb
equivalent
A photospot camera utilizing either sheet or roll photospot film:
1. records the image generated from the TV monitor
2. uses a conventional x-ray processor to develop the image
3. uses the same mechanical device to move film from frame to
frame
4. requires the x-ray beam splitting ability of an electron gun
Correct Answers 2. uses a conventional x-ray processor to
develop the image
A processing technique called temporal subtraction utilizes a
_image which is subsequently superimposed with a _ image to
produce _ image.
1. mask, subtracted, contrast
2. contrast, mask, subtracted
3. mask, contrast, subtracted
4. subtracted, mask, contrast Correct Answers 3. mask, contrast,
subtracted
A properly designed automatic brightness stabilization ABS or
automatic brightness control ABC must:
1. display the operating exposure settings to the fluoroscopist
2. consider a balance between patient radiation dose and image
quality
Complete Solutions
A _ target-to-panel distance is optimal for most fluoroscopic
examinations; however, target-to-table distance shall not be less
than _ and should be at least _ Correct Answers 18 inches
12 inches
18 inches
A "multifield" image intensifier refers to:
1. collimated size of the incident beam
2. physcial size of the input phosphor
3. modes of magnification
4. physcial size of the output phosphor Correct Answers 3.
modes of magnification
A "multifield" image intensifier refers to:
1. physical size of output phosphor
2. physical size of the input phosphor
3. collimated size of the incident beam
4. modes of magnification Correct Answers 4. modes of
magnification
A cell's operational "programming" is stored in what part of the
cell?
1. chromosomes
2. genes
3. DNA
4. cytoplasm Correct Answers 3. DNA
,A cesium iodide/ amorphous silicon flat panel detector used for
digital fluoroscopy is considered to be a:
1. indirect digital detector
2. direct digital detector
3. scintillator detector
4. non-scintillator detector Correct Answers 1. indirect digital
detector
3. scintillator detector
A charge coupled device utilized for image viewing compared to
an analog TV camera tube will exhibit increased
1. spatial resolution
2. signal - to - noise ratio
3. detective quantum efficiency
4. all of the above Correct Answers 4. all of the above
A charged coupled device (CCD) has _ sensitivity to light and a
_ level of signal - to - noise ratio than an analog pick-up tube.
1. lower, lower
2. higher, higher
3. higher, lower
4. lower, higher Correct Answers 2. higher, higher
A charged coupled device (CCD) has a _ sensitivity response
curve as compared to other types of television image receptors:
1. increased
2. decreased
3. linear
4. non linear Correct Answers 3. linear
,A closed circuit fluoroscopic television system operated at a
frame rate of:
1. 262 1/2 frames/second
2. 60 frames/second
3. 30 frames/second
4. 525 frames/second Correct Answers 3. 30 frames/second
A digital camera uses a _ to capture light from the output
phosphor on an image intensifier.
1. closed circuit digital
2. contrast control device
3. charge coupled device
4. cold cathode device Correct Answers 3. charge coupled
device
A digital fluoroscopy with a charge coupled device has lower _
and higher _ than conventional fluoroscopy.
1. patient dose, light sensitivity
2. detective quantum efficiency, maintenance
3. light sensitivity, patient dose
4. signal-to-noise ratio, patient dose Correct Answers 1. patient
dose, light sensitivity
A fluoroscopy system using a dynamic flat panel image receptor
as compared to conventional fluoroscopy requires
1. higher tube potential
2. higher x-ray tube current
3. lower x-ray tube current
4. higher capacity x-ray tubes Correct Answers 2. higher x-ray
tube current
, 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 Correct Answers 2. 0.50 mm Pb
equivalent
A photospot camera utilizing either sheet or roll photospot film:
1. records the image generated from the TV monitor
2. uses a conventional x-ray processor to develop the image
3. uses the same mechanical device to move film from frame to
frame
4. requires the x-ray beam splitting ability of an electron gun
Correct Answers 2. uses a conventional x-ray processor to
develop the image
A processing technique called temporal subtraction utilizes a
_image which is subsequently superimposed with a _ image to
produce _ image.
1. mask, subtracted, contrast
2. contrast, mask, subtracted
3. mask, contrast, subtracted
4. subtracted, mask, contrast Correct Answers 3. mask, contrast,
subtracted
A properly designed automatic brightness stabilization ABS or
automatic brightness control ABC must:
1. display the operating exposure settings to the fluoroscopist
2. consider a balance between patient radiation dose and image
quality
