Page 1 of 183
CALIFORNIA FLUOROSCOPY EXAM STUDY GUIDE
LATEST UPDATE THIS YEAR WITH COMPLETE 450
QUESTIONS AND SOLUTIONS JUST RELEASED
Question: 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 - CORRECT ANSWER✔✔d
Question: Suitable gonad shields must be used:
a. Whenever gonads are within the useful x-ray beam
b. When shielding of gonads does not interfere with the diagnosis
c. On all potentially procreative patients
d. At all times - CORRECT ANSWER✔✔b
Question: 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 - CORRECT
ANSWER✔✔2
Question: The exposure rate at the tabletop may not exceed five rads per minute except:
Choose all that apply.
1. when using the ABC on large patients
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2. during magnification mode
3. where higher exposure rates are allowed - CORRECT ANSWER✔✔1 2 3
Question: 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 - CORRECT ANSWER✔✔2
Question:Which of the following materials are used in the construction of a fluoroscopic
tabletop? Choose all that apply.
1. Lead
2. Aluminum
3. Bakelite
4. Carbon fiber - CORRECT ANSWER✔✔2 3 4
Question: 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 - CORRECT ANSWER✔✔b
Question: The mottle level of an image can be adjusted by: Choose all that apply.
1. changing mA
2. changing kVp
3. changing the exposure factors
4. increasing the number of available x-ray photons - CORRECT ANSWER✔✔1 2 3 4
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Question: 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 - CORRECT ANSWER✔✔a
Question: 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 - CORRECT ANSWER✔✔b
Question: 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
d. Creates an electronic current which is converted into a video image
. - CORRECT ANSWER✔✔b
Question: Size distortion is primarily caused by:
a. Focal-film-distance (FFD)
b. Geometric factors in the shape of the image intensification tube
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c. Minification gain
d. Object-to-image distance (OID) - CORRECT ANSWER✔✔d
Question: The overall luminescence of the TV image may be properly adjusted by: Choose all
that apply
1. increasing room lighting
2. adjusting the contrast control button on the TV monitor
3. adjusting the brightness control button on the TV monitor - CORRECT ANSWER✔✔2 3
Question: Which of the following statements is true concerning fluoroscopic grids?
a. Reduces scattered radiation produced in the image intensifier
b. The typical grid ratio is 12:1
c. High ratio grids are preferred
d. Located between the patient and input layer of the image intensifier - CORRECT
ANSWER✔✔d
Question: One of the most important actions a fluoroscopist can take to avoid unnecessary
radiation exposure to the patient is to use appropriate:
a. Illumination
b. Primary beam filtration
c. Collimation
d. Protective lead curtains - CORRECT ANSWER✔✔c
Question: The increase in effective brightness due to the size reduction of the output image size
is referred to as:
a. Total gain
b. Minification gain
c. Output gain
CALIFORNIA FLUOROSCOPY EXAM STUDY GUIDE
LATEST UPDATE THIS YEAR WITH COMPLETE 450
QUESTIONS AND SOLUTIONS JUST RELEASED
Question: 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 - CORRECT ANSWER✔✔d
Question: Suitable gonad shields must be used:
a. Whenever gonads are within the useful x-ray beam
b. When shielding of gonads does not interfere with the diagnosis
c. On all potentially procreative patients
d. At all times - CORRECT ANSWER✔✔b
Question: 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 - CORRECT
ANSWER✔✔2
Question: The exposure rate at the tabletop may not exceed five rads per minute except:
Choose all that apply.
1. when using the ABC on large patients
, Page 2 of 183
2. during magnification mode
3. where higher exposure rates are allowed - CORRECT ANSWER✔✔1 2 3
Question: 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 - CORRECT ANSWER✔✔2
Question:Which of the following materials are used in the construction of a fluoroscopic
tabletop? Choose all that apply.
1. Lead
2. Aluminum
3. Bakelite
4. Carbon fiber - CORRECT ANSWER✔✔2 3 4
Question: 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 - CORRECT ANSWER✔✔b
Question: The mottle level of an image can be adjusted by: Choose all that apply.
1. changing mA
2. changing kVp
3. changing the exposure factors
4. increasing the number of available x-ray photons - CORRECT ANSWER✔✔1 2 3 4
, Page 3 of 183
Question: 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 - CORRECT ANSWER✔✔a
Question: 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 - CORRECT ANSWER✔✔b
Question: 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
d. Creates an electronic current which is converted into a video image
. - CORRECT ANSWER✔✔b
Question: Size distortion is primarily caused by:
a. Focal-film-distance (FFD)
b. Geometric factors in the shape of the image intensification tube
, Page 4 of 183
c. Minification gain
d. Object-to-image distance (OID) - CORRECT ANSWER✔✔d
Question: The overall luminescence of the TV image may be properly adjusted by: Choose all
that apply
1. increasing room lighting
2. adjusting the contrast control button on the TV monitor
3. adjusting the brightness control button on the TV monitor - CORRECT ANSWER✔✔2 3
Question: Which of the following statements is true concerning fluoroscopic grids?
a. Reduces scattered radiation produced in the image intensifier
b. The typical grid ratio is 12:1
c. High ratio grids are preferred
d. Located between the patient and input layer of the image intensifier - CORRECT
ANSWER✔✔d
Question: One of the most important actions a fluoroscopist can take to avoid unnecessary
radiation exposure to the patient is to use appropriate:
a. Illumination
b. Primary beam filtration
c. Collimation
d. Protective lead curtains - CORRECT ANSWER✔✔c
Question: The increase in effective brightness due to the size reduction of the output image size
is referred to as:
a. Total gain
b. Minification gain
c. Output gain
