H I X-RAY INTERACTIONS WITH MATTER & FILM
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | COMPTON EFFECT
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show | COHERENT SCATTERING
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show | FOG
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Incident x-ray photon interacts with target atom | show 🗑
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show | COMPTON EFFECT
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show | COHERENT SCATTERING
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show | Fog
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No ionization occurs | show 🗑
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Thompson scattering | show 🗑
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Also known as Compton scattering | show 🗑
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occur most common | show 🗑
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show | PHOTOELECTRIC EFFECT
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show | photoelectron
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show | PHOTOELECTRIC EFFECT
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show | PHOTOELECTRIC EFFECT
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They are more tightly bound | show 🗑
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an absorption phenomenon | show 🗑
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The photoelectron escapes with kinetic energy equal to the difference between the energy of the incident x-ray photon and the binding energy of the electron | show 🗑
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atom is excited and releases the excess energy as a scattered x-ray | show 🗑
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Xray photon of the same energy but in a different directionà | show 🗑
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show | COHERENT SCATTERING
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approximately 5% of photons undergo coherent scattering | show 🗑
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show | COHERENT SCATTERING
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show | ionization
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show | COMPTON EFFECT
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show | backscatter radiation
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show | COMPTON EFFECT
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looses the outer shell electron | show 🗑
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Backscatter radiation can come from | show 🗑
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causes radiographs to look duller and flatter | show 🗑
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show | COMPTON EFFECT
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hazardous to x-ray technicians and doctors | show 🗑
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the material in which x-ray photons or light photons emitted from the screens form the radiographic image | show 🗑
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show | Emulsion
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foundation of the film | show 🗑
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show | FILM BASE
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Film base is made of | show 🗑
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show | Blue dye
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reduces eyestrain | show 🗑
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Original base | show 🗑
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In the mid 1920’s a safety base film began to be used | show 🗑
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show | PHOTODISINTEGRATION
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The nucleus is excited and instantaneously releases a nucleon or other nuclear fragment | show 🗑
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show | PHOTODISINTEGRATION
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show | MASS DENSITY
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show | x-ray interaction is doubled
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The radiographic image results from approximately | show 🗑
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x-ray incident on the patient that reach the film | show 🗑
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The positron combines with another electron and energy is produced | show 🗑
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show | PAIR PRODUCTION
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show | PAIR PRODUCTION
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show | ATTENUATION
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The reduction of the number of electrons in a beam | show 🗑
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The half value layer for soft tissue is | show 🗑
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show | Remnant beam
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Image forming x-rays interact with | show 🗑
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show | 150-300 micrometers
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Usually the emulsion is on both sides of the base | show 🗑
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Two basic parts of film | show 🗑
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protective covering made of gelatin | show 🗑
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show | adhesive
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show | silver-gold sulfide
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silver-gold sulfide is called | show 🗑
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show | Film speed, contrast(gray scale), and resolution(clearness)
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show | silver metal (the latent image)
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show | Silver metal
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image after the exposure | show 🗑
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image during chemical processing | show 🗑
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Only two interactions are important to radiology | show 🗑
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show | diagnostic information
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X-rays that do not reach the film give an | show 🗑
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In an optimally exposed film ________ are collected at the sensitivity center | show 🗑
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show | radiographic image (manifest image)
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show | black grain
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the functional part of the Xray emulsion | show 🗑
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the support medium for the silver halide crystals | show 🗑
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x-rays emerging from the tube that will be incident on the patient | show 🗑
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show | x-rays and scattered x-rays
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show | characteristic xray
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Ejection of a k shell electron from an incident x-ray causes an electron from an outer shell (usually the l shell) to drop in and fill the closer shell | show 🗑
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Interactions with low atomic number atoms (low binding energy) results in the photoelectron having | show 🗑
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show | the photoelectric effect decreases
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show | the photoelectric effect increases
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show | photoelectric effect
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Created by:
hakrrins
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