- Study guides, Class notes & Summaries

FLUOROSCOPY EXAM QUESTIONS AND ANSWERS 2025

Fluoroscopy Exam Questions with 100% Solved Answers What is the focal point? - Answer-The precise location where the photoelectrons cross What are the parts of the image intensifier? - Answer-Output phosphor, anode(+), glass envelope, electrostatic lenses(-), photocathode (-), input phosphor How does the image intensifier convert (starting from bottom with x-ray photons)? - Answer-X-ray photons, light, photoelectrons, focal point, light What is brightness gain? - Answer-Measurement of...

Fluoroscopy Study Test Questions with All Correct Answers The purpose of the photocathode structure in the image intensifier is to ___. - Answer-convert light into electrons The component in the fluoroscopy imaging chain that creates the most "image lag" is the _____. - Answer-television camera For a standard interlaced TV monitor, the number of horizontal lines used in creating the TV frame is ____. - Answer-262.5 What is a "dead-man" switch? - Answer-one that stops when ...

FLUOROSCOPY EXAM QUESTIONS WITH CORRECT ANSWERS A patient comes to radiology for a barium enema (BE). He has a possible fistula extending from the rectum to the urinary bladder. Which one of the following projections and/or positions would best demonstrate the fistula? a. Lateral rectum position b. AP erect position c. LPO axial projection d. LPO and RPO positions - Answer-a. Lateral rectum position A radiograph of an AP barium enema (BE) projection reveals poor visualization of the si...

Fluoroscopy Exam Questions with 100% Correct Answers 2025 Latest Update What is the relationship between the number of electrons produced by the Photocathode and the intensity of light hitting the Photocathode? - Answer-The more light that hits the photocathode, the more electrons are produced. What is the nature of the image when it arrives at the Output phosphor? At what point does this happen? - Answer-the image is inverted and reversed. happens at the focal point. Where is the acce...

FLUOROSCOPY TEST QUESTIONS AND ANSWERS ALL CORRECT What does automatic brightness stabilization (ABS) do - Answer--It is designed to compensate for patient composition What is most advantageous about video viewing of the fluoroscopic image - Answer--The image is brighter What does automatic brightness control (ABC) do - Answer--It is designed to maintain constant image intensity What is the function of the iris in the eye - Answer--It controls the light level in the eye What was re...

A. Total filtration permanently required in the useful fluoroscopic beam should not be less than - CORRECT-ANSWERS2.5mm Aluminum B. If X-ray source is below the table, useful beam exposure must be measured at what distance above the table top - CORRECT-ANSWERS30 cm C. Table top exposure rates for units without auto exposure control must be measured every - CORRECT-ANSWERS3 years D. Dark adaptation for the eye takes how long - CORRECT-ANSWERS30 minutes E. Target-to-tabletop distance m...

FLUOROSCOPY STUDY GUIDE EXAM QUESTIONS WITH ANSWERS GRADED A+ 2025/2026 (T/F) When the fluoroscopic time has exceeded a predetermined time, the cumulative manual-reset timer must produce an audible signal and interrupt the x-ray beam - TRUE Excessive lighting in the fluoro room: 1. helps perceive dim images brighter 2. may result in an increase in technical factors 3. enhances visualization of the black and white TV images 4. helps properly adjust the overall luminescence of the TV image...

FLUOROSCOPY CLOVER REAL EXAM QUESTIONS WITH ANSWERS GRADED A+ 2025/2026 Which of the following terms is often used to describe fluoroscopy imaging? - Dynamic Which of the following are types of cases that would utilize fluoroscopy? - Upper GI study Urinary studies Orthopedic surgeries What is the primary function of fluoroscopy in medical imaging? - Creating real-time, moving images of internal body structures How does fluoroscopy differ from traditional radiography in regard to image t...