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Exam (elaborations)

California Fluoroscopy Test Questions and Answers- 100% pass

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  • Course
  • Fluoroscopy
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  • Fluoroscopy

California Fluoroscopy Test Questions and Answers- 100% pass An image intensifiers photocathode causes ___ to be given off in direct proportion to the intensity of the fluorescent light: a. remnant radiation b. electrons c. x-rays d. light photons - Answer-electrons What fluoroscopic televi...

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  • October 16, 2024
  • 107
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Fluoroscopy
  • Fluoroscopy
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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




California Fluoroscopy Test Questions
and Answers- 100% pass

An image intensifiers photocathode causes ___ to be given off in direct proportion to the

intensity of the fluorescent light:


a. remnant radiation


b. electrons


c. x-rays


d. light photons - Answer✔✔-electrons


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

Page 1/107

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


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



Page 2/107

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


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?



Page 3/107

, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


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


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