Radiographic Film Processing
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Four steps to film processing | show 🗑
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| show | Wetting, developing, stop bath, fixing, washing, drying
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| What is the purpose of developing? | show 🗑
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| Name the two developing agents. | show 🗑
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| Which developing agent produces shades of gray rapidly? | show 🗑
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| show | Hydroquinone
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| show | Reducing agent
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| show | Phenidone
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| show | Hydroquinone
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| show | A metallic conducting electrode through which electrons are transferred from the developing agent into the crystal.
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| Name the buffering agent. | show 🗑
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| show | Potassium bromide
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| show | Sodium sulfite
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| show | Glutaraldehyde
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| Name the sequestering agent. | show 🗑
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| show | Potassium iodide
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| What do restrainers do? | show 🗑
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| show | Controls the oxidation of the developing agent by air.
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| What does the hardener do? | show 🗑
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| What color does hydroquinone turn when it has been oxidized? | show 🗑
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| A lack of restrainer could lead to? | show 🗑
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| show | Sequestering agents
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| show | Neutralizes the pH of the emulsion and stops developer action.
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| show | Remove unexposed and underdeveloped silver halide crystals from the emulsion.
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| show | 3 degrees C/5 degrees F
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| show | 90 seconds
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| show | 35 degrees C/95 degrees F)
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| A grayish yellow or brown stain could indicate? | show 🗑
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| show | Incomplete washing
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| Static marks are caused by? | show 🗑
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| show | Daily
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| show | Weekly
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| The proper developer action will only occur in an _____ solution. | show 🗑
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| The most common results of excessive developer temperature are: | show 🗑
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| A solution that is capable of giving up negative ions (electrons) is classified as a? | show 🗑
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| Which developer chemical causes the film emulsion to swell? | show 🗑
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| The solution that is maintained at the lowest temperature of approximately 90 degrees F is the: | show 🗑
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| During latent image formation, the concentration of metallic silver in the exposed crystal occurs in the region of the: | show 🗑
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| show | Glutaraldehyde
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| The solution that is maintained at the temperature of approximately 80 degrees F (27 degrees C) is the: | show 🗑
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| The termination of development process can be accomplished by placing the film in a/an: | show 🗑
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| The principal cause of oxidation in the developer solution of an automatic processor is the exposure to: | show 🗑
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| Single-emulsion film must be loaded with the emulsion ________ the intensifying screen. | show 🗑
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| show | Silver halide
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| The silver halides used in radiographic film are? | show 🗑
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| show | High, slow
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| show | Low, fast
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| show | Panchromatic
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| __________ films are not sensitive to the red spectrum. | show 🗑
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| Large crystals + thick emulsion = _____ contrast __________latitude, and _________ resolution. | show 🗑
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| Fluoroscopic spot filming can be accomplished with _________ roll film or __________ film chips. | show 🗑
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| Film should be stored at a temperature of ______ or lower at all times. | show 🗑
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| show | 30, 60
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| _____________ is the only solution dramatically affected by contamination. | show 🗑
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| show | Fixer
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| Film should be dried in a temperature range of ___ to ____. | show 🗑
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| show | 70 degrees F (23 degrees C), 60
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| The _________ __________ is designed to move a film through the developer. | show 🗑
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| show | Transport rack
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| The ________ ________ turns the film down into the next tank. | show 🗑
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| show | Drive system
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| When damp film exits the processor, the cause is most likely to be the ________. | show 🗑
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| _____________ is the measurement of the characteristic responses of film to exposure and processing. | show 🗑
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| show | Penetrometer, sensitometer
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| show | Densitometer
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| show | Penetrometer
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| show | Sensitometer
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| show | 50
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| show | Doubling
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| show | Base plus fog
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| show | 0.05 to 0.10
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| The range of diagnostic densities varies from ________ to _________. | show 🗑
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| show | Size
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| show | Inverse
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| show | Directly related
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| Film speed and number of sensitivity specks are ________ ________. | show 🗑
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| Film speed and thickness of emulsion layer are _______ ________. | show 🗑
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| A change in density will affect contrast only when ______ or _________ the straight line portion of the D log E curve. | show 🗑
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| show | OD 0.25, OD 1.00
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| Latitude and contrast are _________ related. | show 🗑
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| High contrast = _____ latitude + _____ patient dose. | show 🗑
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| show | Wide, low
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| Slow film = ________ patient dose. | show 🗑
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| show | Low
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| Mismatching of film and screens often _________ patient dose. | show 🗑
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| ______ sensitive film will not respond to most wavelengths emitted by rare-earth phosphors. | show 🗑
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| ______ is more sensitive to the entire range of phosphor emissions, including yellow-green wavelengths. | show 🗑
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| show | thickness
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| Relative speed number are usually established at ____________ kVp, with ____ kVp preferred. | show 🗑
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| Recorded detail, sharpness and resolution are measured as ____ ______ ________ | show 🗑
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| Define matrix. | show 🗑
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| Define pixels. | show 🗑
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| show | A three-dimensional volume of tissue.
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| show | Random background information that is detected but does not contribute to image quality.
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| show | Inverse
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| Window level controls _______ ________. | show 🗑
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| There is a(n) ______ relationship between window level and density. | show 🗑
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| Window width controls _______ _______. | show 🗑
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| show | Inverse
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| Window width also controls _______ ___ _______. | show 🗑
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| Resolution is controlled by ______ ________. | show 🗑
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| Computed radiography is considered ________ digital. | show 🗑
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| show | Cassette-less
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| show | Indirect systems
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| show | Direct acquisition
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| show | Barium fluorohalide bromides, iodides
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| show | Photoelectric interactions
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| The smaller the pixel, the _______ the spatial resolution. | show 🗑
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| show | Linear
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| Images that are underexposed will show _______ ______________. | show 🗑
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| show | Moire effect
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| show | Direct radiography systems
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| Define CCD (Charge Coupled Device). | show 🗑
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| What is DICOM? | show 🗑
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| Quantum mottle (orreticulation) is caused by ______ _______. | show 🗑
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| show | HIS, RIS
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