Quiz On TV Monitoring In Fluoroscopic Imaging

40 Questions | Total Attempts: 1258

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Quiz On TV Monitoring In Fluoroscopic Imaging

Fluoroscopy is a type of medical imaging that shows a continuous X-ray image on a monitor this isn’t only useful in hospitals. Do you think you have a proper understanding on TV monitoring fluoroscopic imaging? Take this quiz and get to see how knowledgeable you are when it comes to the subject. Best of luck!


Questions and Answers
  • 1. 
    All current cine systems are synchronized, which means that the x-ray tube is energized only during
    • A. 

      The time for it to take images

    • B. 

      When the patient enters the room

    • C. 

      The time when the cine film is in position for exposure

  • 2. 
    The brightness gain of most image-intensifrers is in the range of
    • A. 

      4500-5000

    • B. 

      5000-30000

    • C. 

      3000-50000

    • D. 

      3000-5000

  • 3. 
    The video signal of eth TV camera is directly proportional to the
    • A. 

      Intensity of light

    • B. 

      Electron beam

    • C. 

      Target

    • D. 

      Amt of electrons

  • 4. 
    The brightness of the fluoroscopic image is dependent primarily on the ____________ under studyas well as what two technical factors
  • 5. 
    The two most often used TV camera tubes available for television monitoring fluoroscopy are the
    • A. 

      TV Monitor & grid

    • B. 

      OP & II

    • C. 

      Optical Monitor & plumbicon

    • D. 

      Vidicon & plumbicon

  • 6. 
    how are TV camera tubes are coupled to the image intensifier
    • A. 

      Fiber optics

    • B. 

      Optical lens

    • C. 

      Lens coupling

    • D. 

      The signal plate

  • 7. 
    Larger _____________ results in better img quality but @ increased EXPOSURE when using the ______________ camera in fluoro
    • A. 

      Tubes

    • B. 

      Film format

    • C. 

      Cassette-load

    • D. 

      Photospot

  • 8. 
    In the television camera, the electron gun is a heated filament that supplies a constant electron current through the process of
    • A. 

      Mechanical vacuum

    • B. 

      Cylindrical housing

    • C. 

      Thermonic emission

    • D. 

      Playback

  • 9. 
    The fluoroscope was invented in 1896 by
  • 10. 
    the FOVEA CENTRALIS is
    • A. 

      Rods located in periphery of retina

    • B. 

      Cones concentrated on center of retina

    • C. 

      More than 100,000 per square mm of retina

    • D. 

      Dim light situations

  • 11. 
    Generally, in fluoroscoPY, ________kVp and __________mAs are preferred
    • A. 

      High, high

    • B. 

      High, low

    • C. 

      Low, low

    • D. 

      Low, high

  • 12. 
    electron emission following light stimulation is
    • A. 

      Thermonic emission

    • B. 

      Photocathode

    • C. 

      Cesium

    • D. 

      Photoemission

  • 13. 
    Spatial resolution is better in the magnification mode during image-intensified fluoroscopY because
    • A. 

      only the central region of the IP is used

    • B. 

      Its caused by formation of image resulting

    • C. 

      It results in high contrast resolution

    • D. 

      Magnifies the image from the output phosphor onto a viewing glass

  • 14. 
    The heart of the TV monitor is the
    • A. 

      Rotating anode

    • B. 

      Fiber optic

    • C. 

      Vidicon

    • D. 

      Picture tube

  • 15. 
    what aids the radiologist in viewing dynamic studies
    • A. 

      Fluoroscope

    • B. 

      Telescope

    • C. 

      Vidicon

    • D. 

      Picture tube

  • 16. 
    During fluoroscopy, the x-ray tube is operated at _____________ MA
    • A. 

      More than 5

    • B. 

      Less than 5

    • C. 

      More than 10

    • D. 

      Less than 10

  • 17. 
    Modern fluoroscopic equipment allows the radiologist to select an image brightness level by adjusting either the _ or the___
  • 18. 
    THE IRIS IS
    • A. 

      The part of the human eye that behaves like a dialogue to control the color of the light spectrum

    • B. 

      Part of the human eye that behaves like the diaphragm of a photographic camera to contol the amt of light

    • C. 

      The part of the human eye that behaves like a camera to control what is seen by the human eye

    • D. 

      The part of the human eye that behaves like a diagram of a photonic monitor

  • 19. 
    ______________ are primarily used for daylight vision
    • A. 

      Cones

    • B. 

      Cines

    • C. 

      Optics

    • D. 

      Iris

  • 20. 
    what is daylight vision called
    • A. 

      Photonic vision

    • B. 

      Cone vision

    • C. 

      Translucent vision

    • D. 

      Photopic vision

  • 21. 
    The principal advantage of image-intensified fluoroscopy over conventional fluoroscopy is the increased______________
    • A. 

      speed at which the dynamic images move

    • B. 

      Overall result of the finished product

    • C. 

      Visuality because of the illumination of cone vision

  • 22. 
    The process of wearing red goggles under normal illumination for up to thirty minutes prior to perfonning conventional fluoroscopic examinations was known as
    • A. 

      Visible light

    • B. 

      Red eye

    • C. 

      Dark adapting

    • D. 

      Spot film

  • 23. 
    The electronic device that receives the remnant x-ray beam, converts it into light, and increases the light intensity is the
    • A. 

      Conventional fluoroscope

    • B. 

      Fluorescent screen

    • C. 

      Tv monitor

    • D. 

      Image-intensifier tube

  • 24. 
    When an x-ray interacts with the input phosphor, its energy is converted into
    • A. 

      Matter

    • B. 

      Visible light

    • C. 

      Photopic light

    • D. 

      Vidicon

  • 25. 
    The photocathode emits
    • A. 

      Electrons

    • B. 

      Photons

    • C. 

      Protons

    • D. 

      Neutrons

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