CALIFORNIA RADIOGRAPHY
FLUOROSCOPY PERMIT COMPREHENSIVE
STUDY GUIDE 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
⩥ What fluoroscopic television system device decodes the video signal
into a visible image?
a. Vidicon camera
b. Camera control unit
c. Television monitor
d. Electron gun. Answer: Television Monitor
⩥ Which of the following materials are used in the construction of a
fluoroscopic tabletop?
1. Lead
2. Aluminum
3. Bakelite
4. Carbon fiber. Answer: 2, 3, and 4
⩥ Geometric factors in the shape of the image intensification tube
b. Focal-film-distance (FFD)
c. Object-to-image distance (OID)
,d. Minification gain. Answer: ...
⩥ If the entrance skin dose is measured from the surface of the tabletop,
the x-ray source is located:
a. either over or under the table
b. under the table
c. over the table
d. not enough information provided. Answer: b. Under the table
⩥ The mottle level of an image can be adjusted by:
1. changing mA
2. changing kVp
3. changing the exposure factors
4. increasing the number of available x-ray photons. Answer: All of the
above
⩥ During a fluoroscopic exam, the main source of scattered radiation is
produced from:
a. the patient
b. x-ray source
c. table top
d. leakage radiation. Answer: the patient
,⩥ Excessive lighting in the fluoroscopy room:
a. Helps to perceive a dim image as brighter
b. Helps to properly adjust the overall luminance of the TV image
c. Enhances visualization of a black and white TV image
d. May result in increasing the technical operating factors. Answer: May
result in increasing the technical operating factors
⩥ Suitable gonad shields must be used:
a. Whenever gonads are within the useful x-raybeam
b. When shielding of gonads does not interfere with the diagnosis
c. On all potentially procreative patients
d. At all times. Answer: When shielding of gonads does not interfere
with the diagnosis
⩥ Which of the following are true concerning cine film?
1. Available film sizes are: 70 mm, 100 mm, and 110 mm
2. The larger the film size the better the image quality
3. Nearly all cine-fluorography exams involve studies of the GI system
4. Delivers approximately the same dose as routine photospot image
recording. Answer: 2 only
⩥ The exposure rate at the tabletop may not exceed five rads per minute
except:
, 1. when using the ABC on large patients
2. during magnification mode
3. where higher exposure rates are allowed. Answer: b. 1, 2 and 3 only
⩥ Images produced with photo spot film cameras ___ spot films taken
with conventional cassettes.
1. use a higher mA than
2. require about 1/2 to 1/3 the dose of
3. exhibit superior image quality compared to. Answer: require about 1/2
to 1/3 the dose
⩥ The ability of an imaging system to differentiate small objects that are
closely spaced as separate objects is referred to as:
a. Differentiation
b. Resolution
c. Statistical fluctuation
d. Detector contrast. Answer: b. Resolution
⩥ The photoconductive target in a television camera pick-up tube:
a. Conducts electrons across to the target
b. Allows a proportional electron charge to be generated at a particular
position
c. Creates a video signal
FLUOROSCOPY PERMIT COMPREHENSIVE
STUDY GUIDE 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
⩥ What fluoroscopic television system device decodes the video signal
into a visible image?
a. Vidicon camera
b. Camera control unit
c. Television monitor
d. Electron gun. Answer: Television Monitor
⩥ Which of the following materials are used in the construction of a
fluoroscopic tabletop?
1. Lead
2. Aluminum
3. Bakelite
4. Carbon fiber. Answer: 2, 3, and 4
⩥ Geometric factors in the shape of the image intensification tube
b. Focal-film-distance (FFD)
c. Object-to-image distance (OID)
,d. Minification gain. Answer: ...
⩥ If the entrance skin dose is measured from the surface of the tabletop,
the x-ray source is located:
a. either over or under the table
b. under the table
c. over the table
d. not enough information provided. Answer: b. Under the table
⩥ The mottle level of an image can be adjusted by:
1. changing mA
2. changing kVp
3. changing the exposure factors
4. increasing the number of available x-ray photons. Answer: All of the
above
⩥ During a fluoroscopic exam, the main source of scattered radiation is
produced from:
a. the patient
b. x-ray source
c. table top
d. leakage radiation. Answer: the patient
,⩥ Excessive lighting in the fluoroscopy room:
a. Helps to perceive a dim image as brighter
b. Helps to properly adjust the overall luminance of the TV image
c. Enhances visualization of a black and white TV image
d. May result in increasing the technical operating factors. Answer: May
result in increasing the technical operating factors
⩥ Suitable gonad shields must be used:
a. Whenever gonads are within the useful x-raybeam
b. When shielding of gonads does not interfere with the diagnosis
c. On all potentially procreative patients
d. At all times. Answer: When shielding of gonads does not interfere
with the diagnosis
⩥ Which of the following are true concerning cine film?
1. Available film sizes are: 70 mm, 100 mm, and 110 mm
2. The larger the film size the better the image quality
3. Nearly all cine-fluorography exams involve studies of the GI system
4. Delivers approximately the same dose as routine photospot image
recording. Answer: 2 only
⩥ The exposure rate at the tabletop may not exceed five rads per minute
except:
, 1. when using the ABC on large patients
2. during magnification mode
3. where higher exposure rates are allowed. Answer: b. 1, 2 and 3 only
⩥ Images produced with photo spot film cameras ___ spot films taken
with conventional cassettes.
1. use a higher mA than
2. require about 1/2 to 1/3 the dose of
3. exhibit superior image quality compared to. Answer: require about 1/2
to 1/3 the dose
⩥ The ability of an imaging system to differentiate small objects that are
closely spaced as separate objects is referred to as:
a. Differentiation
b. Resolution
c. Statistical fluctuation
d. Detector contrast. Answer: b. Resolution
⩥ The photoconductive target in a television camera pick-up tube:
a. Conducts electrons across to the target
b. Allows a proportional electron charge to be generated at a particular
position
c. Creates a video signal
