Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 4 out of 95 pages
Exam (elaborations)

California Fluoroscopy Test with accurate detailed answers

Document preview thumbnail
Preview 4 out of 95 pages

California Fluoroscopy Test with accurate detailed answers

Content preview

California Fluoroscopy Test with accurate detailed ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




answers


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 - correct 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 - correct 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 - correct 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 - correct 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 - correct 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 - correct 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 - correct 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 - correct 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 - correct 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 - correct
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




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 - correct 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 - correct 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 - correct 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
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




||\\|//|| d. Creates an electronic current which is converted into a video image
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




||\\|//||




. - correct answer✔✔Allows a proportional electron charge to be generated at a particular
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




position



Size distortion is primarily caused by: ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




||\\|//|| a. Focal-film-distance (FFD)
||\\|//|| ||\\|//|| ||\\|//||




||\\|//|| b. Geometric factors in the shape of the image intensification tube
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




||\\|//|| c. Minification gain||\\|//|| ||\\|//|| ||\\|//||




||\\|//|| d. Object-to-image distance (OID) - correct answer✔✔Object-to-image distance (OID)
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




The overall luminescence of the TV image may be properly adjusted by:
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||




1. increasing room lighting
||\\|//|| ||\\|//|| ||\\|//||

Document information

Uploaded on
October 23, 2025
Number of pages
95
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers
$25.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
Ruiz
3.2
(15)
Sold
105
Followers
2
Items
14181
Last sold
1 month ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions