California Fluoroscopy State Board Exam Questions With
Complete Solutions
. 25 kilovolts Correct Answers The anode in an image
intensifier tube speeds up or accelerates electrons by
maintaining a potential difference of about:
a. 25 kilovolts
b. 25 mA
c. 25 volts
d. 25,000 mA
... Correct Answers Geometric factors in the shape of the image
intensification tube
b. Focal-film-distance (FFD)
c. Object-to-image distance (OID)
d. Minification gain
... Correct Answers When might it not be possible to use
Automatic Brightness Control (ABC) control fluoroscopic
equipment?
1. on infants
2. always possible
3. on extremely large patients
4. on children incapable of understanding ins
"blurring" that is occurs with fluoroscopic systems which utilize
vidicon television cameras is the blurring of the image as the
camera is moved rapidly during an imaging procedure. Correct
Answers Lag
,"target", generally made of tungsten. Correct Answers X-rays
are produced when a fast moving stream of electrons hit's a
0.005 rem (0.05 mSv Correct Answers "radiation area" is an
area in which there exists radiation levels that could result in an
individual receiving a dose equivalent in excess of ___ in one
hours at 30 cm form the radiation source.
a. 0.1 rem (1 mSv)
b. 1.0 rem (10 mSv)
c. 5 rems (50 mSv)
d. 0.005 rem (0.05 mSv
0.05 Sv (5 rems) Correct Answers What is the total annual
occupational dose equivalent for a whole-body dose?
a. 0.15 Sv (15 rems)
b. 0.50 Sv (50 rems)
c. 0.25 Sv (25 rems)
d. 0.05 Sv (5 rems)
0.25 millimeters Correct Answers Protective curtains or drapes
of at least _ lead equivalent shall be positioned between the
fluoroscopists and the patient to intercept the scatter radiation
coming from the patient for over table tower image intensifier
designs.
0.25 millimeters Correct Answers The bucky slot is moved to
the end of the examination table, leaving an opening on the side
of the table approximately 2 inches wide at the fluoroscope
gonad level. This opening must be covered with at least _ lead
equivalent material
,0.25 mm lead Correct Answers Fluoroscopic protective curtains
must be made of at least ___ equivalent material.
a. 0.25 mm aluminum
b. 2.5 mm lead
c. 0.25 mm lead
d. 2.5 mm aluminum
.
0.25 mm lead Correct Answers Since the Bucky tray cover is
directly in line with the fluoroscopists gonads, the opening must
be automatically covered with ___ equivalent material.
a. 2.5 mm aluminum
b. 2.5 mm lead
c. 0.25 mm aluminum
d. 0.25 mm lead
0.5 to 5mA Correct Answers During image intensified
fluoroscopy, tube currents of
1 & 2 Correct Answers For diagnostic x-ray personnel, the
highest occupational exposure occurs during _____ exams.
1. fluoroscopy
2. mobile radiography
3. spinal
4. dental
1 & 2 Correct Answers Which of the following relate to cones
in the human eye?
1. Photopic vision
2. Photo receptor type cellular tissue
, 3. Found in the periphery of the retina
4. Ability to see dimly lit objects better
1 & 2 Correct Answers Which of the following will
dramatically improve visual acuity?
1. Image intensification
2. High levels of image brightness
3. Illumination of the image into the rod vision region
1 and 2 Correct Answers 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
3. vary image brightness depending on patient thickness and
attenuation
1 and 2 Correct Answers Image detectors used for digital
fluoroscopy are categorized into which major group(s)?
1. Direct conversion
2. Indirect conversion
3. Direct translation
4. Indirect translation
1 and 2 Correct Answers The function of the camera control
unit is designed to:
1. Amplify the video signal
2. Synchronize the video signal between the TV camera and
video monitor
Complete Solutions
. 25 kilovolts Correct Answers The anode in an image
intensifier tube speeds up or accelerates electrons by
maintaining a potential difference of about:
a. 25 kilovolts
b. 25 mA
c. 25 volts
d. 25,000 mA
... Correct Answers Geometric factors in the shape of the image
intensification tube
b. Focal-film-distance (FFD)
c. Object-to-image distance (OID)
d. Minification gain
... Correct Answers When might it not be possible to use
Automatic Brightness Control (ABC) control fluoroscopic
equipment?
1. on infants
2. always possible
3. on extremely large patients
4. on children incapable of understanding ins
"blurring" that is occurs with fluoroscopic systems which utilize
vidicon television cameras is the blurring of the image as the
camera is moved rapidly during an imaging procedure. Correct
Answers Lag
,"target", generally made of tungsten. Correct Answers X-rays
are produced when a fast moving stream of electrons hit's a
0.005 rem (0.05 mSv Correct Answers "radiation area" is an
area in which there exists radiation levels that could result in an
individual receiving a dose equivalent in excess of ___ in one
hours at 30 cm form the radiation source.
a. 0.1 rem (1 mSv)
b. 1.0 rem (10 mSv)
c. 5 rems (50 mSv)
d. 0.005 rem (0.05 mSv
0.05 Sv (5 rems) Correct Answers What is the total annual
occupational dose equivalent for a whole-body dose?
a. 0.15 Sv (15 rems)
b. 0.50 Sv (50 rems)
c. 0.25 Sv (25 rems)
d. 0.05 Sv (5 rems)
0.25 millimeters Correct Answers Protective curtains or drapes
of at least _ lead equivalent shall be positioned between the
fluoroscopists and the patient to intercept the scatter radiation
coming from the patient for over table tower image intensifier
designs.
0.25 millimeters Correct Answers The bucky slot is moved to
the end of the examination table, leaving an opening on the side
of the table approximately 2 inches wide at the fluoroscope
gonad level. This opening must be covered with at least _ lead
equivalent material
,0.25 mm lead Correct Answers Fluoroscopic protective curtains
must be made of at least ___ equivalent material.
a. 0.25 mm aluminum
b. 2.5 mm lead
c. 0.25 mm lead
d. 2.5 mm aluminum
.
0.25 mm lead Correct Answers Since the Bucky tray cover is
directly in line with the fluoroscopists gonads, the opening must
be automatically covered with ___ equivalent material.
a. 2.5 mm aluminum
b. 2.5 mm lead
c. 0.25 mm aluminum
d. 0.25 mm lead
0.5 to 5mA Correct Answers During image intensified
fluoroscopy, tube currents of
1 & 2 Correct Answers For diagnostic x-ray personnel, the
highest occupational exposure occurs during _____ exams.
1. fluoroscopy
2. mobile radiography
3. spinal
4. dental
1 & 2 Correct Answers Which of the following relate to cones
in the human eye?
1. Photopic vision
2. Photo receptor type cellular tissue
, 3. Found in the periphery of the retina
4. Ability to see dimly lit objects better
1 & 2 Correct Answers Which of the following will
dramatically improve visual acuity?
1. Image intensification
2. High levels of image brightness
3. Illumination of the image into the rod vision region
1 and 2 Correct Answers 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
3. vary image brightness depending on patient thickness and
attenuation
1 and 2 Correct Answers Image detectors used for digital
fluoroscopy are categorized into which major group(s)?
1. Direct conversion
2. Indirect conversion
3. Direct translation
4. Indirect translation
1 and 2 Correct Answers The function of the camera control
unit is designed to:
1. Amplify the video signal
2. Synchronize the video signal between the TV camera and
video monitor
