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Cards In This Set
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4 conditions that must be present for infection to occur?
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Pathogen disease causing microorganism, susceptible host, sufficient # of pathogens, and portal of entry
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4 ingredients in the developer?
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Developing agent, preserver, activator, and restrainer
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4 components of the dental xray film?
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Emulsion, film base, adhesive, and protective layer
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Whats placed in the film packet to absorb scatter radiation?
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Lead foil
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This absorbs the long wavelenths, less penetrating xrays of the polychromatic beam occurs through the sheet of aluminum called the what?
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Filter
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What type of an affect is it when the xrays scatter in all directions?
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Compton affect
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What must be done with semi critical items after use?
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Sterilize them
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Objects that do not come in contact with the mucus membrane are called what type?
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Non critical
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4 properties of a lead apron are?
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Protection from scatter radiation, fabricated of .25mm of lead or lead equivalent material, cannot be folder, use is in keeping with the ALARA concept
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Whats a term used for radiation with great penetrating power?
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Hard radiation
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3 things are necessary to the technical ability of the operator?
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Working knowledge of quality radiographs, communication, and continued education
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Electrons have a what charge?
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Negative
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A term for the measurment of the number of electrons moving through a wire conductor?
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Amperage
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Explosure to blood that results in punturing the skin barrier is what type of exposure?
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Parenterel exposure
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The amount or percentage of the film blackinging or darkening is because of what of the bone?
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Density
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