XR 102 Midterm
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| show | THE INTENSIFYING SCREEN
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| show | THE INTENSIFYING SCREEN
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| show | TO REDUCE THE AMOUNT OF EXPOSURE REQUIRED TO PRODUCE AN IMAGE
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| show | PHOSPHOR LAYER
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| What is the purpose of the lead foil layer in the back of the cassette? | show 🗑
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| show | BACKSCATTER
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| show | REFLECTIVE LAYER
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| The color of light emitted by a screen phosphor is called? | show 🗑
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| show | SALTS OF RARE EARTH ELEMENTS
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| Screen speed is defined as? | show 🗑
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| What is meant by the term spectral emission? | show 🗑
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| Which of the following is an important rule to remember when cleaning the intensifying screen? | show 🗑
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| Which type of screen is better suited for a radiograph of a child's wrist? RS 50, RS 200, RS 400, RS 600 | show 🗑
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| show | POLYESTER PLASTIC
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| show | REDUCE EYE STRAIN FOR THE PHYSICIAN
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| show | GELATIN AND SILVER HALIDE CRYSTALS
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| show | TEST FOR FILM SCREEN CONTACT
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| Which tool do we use to test film screen contact? | show 🗑
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| How often should a film screen contact test be performed? | show 🗑
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| show | THE COLOR OF LIGHT EMITTED BY THE SCREENS
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| What is the proper method to store unopened boxes of film? | show 🗑
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| show | A COOL DRY PLACE PROTECTED FROM X-RAYS AND CHEMICAL FUMES
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| show | OPTICAL DENSITY (OD)
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| show | SPEED
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| show | A VERY FAST FILM
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| The purpose of a photostimulable phosphor plate is? | show 🗑
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| show | TWO
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| The system used to view and stored digital x-ray images is called? | show 🗑
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| show | THE CT SCANNER
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| When a CR plate is inserted into the reader for processing, the phosphor is scanned with what? | show 🗑
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| How many times can the phosphor in a CR image plate be used? | show 🗑
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| True of false? The advantages of using CR and DR include; low dose to patient, wide range of dynamic image, and the ability to see the image quickly. | show 🗑
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| show | LEAD
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| show | THE PART MUST BE PLACED ON THE CENTER OF THE PLATE OR IMAGE DETECTOR
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| show | A GRID
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| show | THE SAFELIGHT FILTER ONLY PERMITS THE PASSAGE OF LIGHT FREQUENCIES TO WHICH THE X-RAY FILM IS THE LEAST SENSITIVE
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| Which type of safelight filter should be used in the imaging department using green sensitive film? | show 🗑
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| show | TRUE
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| show | FIVE MINUTES AT 68 DEGREES FARENHEIT
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| show | 90 SECONDS
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| show | DEVELOPER, FIXER, WASH, DRY
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| show | 95 DEGREES FARENHEIT
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| show | DENSITOMETER AND SENSITOMETER
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| show | ARTIFACTS
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| show | NOT ENOUGH HUMIDITY IN THE AIR
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| show | QUARTERLY
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| A dark room safelight should be mounted so that it is no closer than how many feet from the feed tray of the processor and the countertop? | show 🗑
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| name the steps of the daily start up routine for an automatic processor | show 🗑
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| show | 4
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| show | radioluscent
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| radiation from the cassette back and the cassette tray that is scattered back toward the film is called | show 🗑
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| show | phosphors
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| show | fluorescence
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| the efficiency of a screen in converting xrays to light | show 🗑
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| show | rare earth phosphors
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| this term refers to the color of light emitted by a phosphor | show 🗑
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| show | artifacts
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| a condition that exists when 2 screens are not in firm contact with both sides of the film | show 🗑
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| a wire mesh test is performed how frequently? | show 🗑
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| show | silver halide crystals
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| show | latitude
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| the characteristics of film response are plotted on a graph called a | show 🗑
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| the numerical representation of the film's ability to transmit light | show 🗑
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| the portion of the sensitometric curve that indicates the speed of the film | show 🗑
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| the portion of the sensitometric film that represents the maximum density | show 🗑
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| show | safelights
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| show | 3-4' from the feed tray
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| show | 7-15 watts
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| which type of filters should be used in the darkroom? | show 🗑
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| 90 second processing is made possible by | show 🗑
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| what is the first tank in an automatic processor? | show 🗑
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| what is the second tank in an automatic processor? | show 🗑
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| show | wash
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| the air in the dryer portion of the automatic processor is heated to approximately | show 🗑
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| show | 95 degrees
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| the device used to measure the transmission of light through a tiny are of film is a | show 🗑
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| show | sensitometer
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| artifacts that occur repeatedly at right angles to the direction of the film travel in an automatic film processor are called | show 🗑
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| show | green, green yellow
blue, blue-violet
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| which phosphor was used previously, but is now obsolete? | show 🗑
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| rare earth intensifying screens are about how many times more efficient than calcium tungstate intensifying screens? | show 🗑
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| what is the term we use to describe the efficiency of a screen in converting xrays to light? | show 🗑
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| show | faster
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| show | routine or general radiography
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| fine phosphors in a thin layer provide (lesser or greater)_______ radiographic detail, and require (more or less) ______ exposure? | show 🗑
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| show | screens with a RS of 50-100 are SLOWER and provide HIGH detail images
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| what is the term used to describe the fact that the xray film has emulsion on both sides of it? | show 🗑
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| what is the term used to describe the radiographic film along with contrast? | show 🗑
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| show | TRUE
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| when we are referring to the sensotometric or H&D curve, what does the toe of the curve represent? | show 🗑
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| when we are referring to the sensotometric or H&D curve, what does the shoulder of the curve represent? | show 🗑
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| show | Density
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| show | the films maximum density
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| what does the base + fog portion of the H&D curve represent? | show 🗑
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| show | film speed
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| The closer the straight line portion of the H&D curve graph is to the left, the (slower or faster) the film is? | show 🗑
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| show | light colored to reflect the light from the safe light throughout the room increasing visibility in the dark
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