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Cards In This Set
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What enters the patient?
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X-ray beam
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The x-ray beam that exits the patient is captured by what?
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Some form of an image receptor
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What is needed to produce x-rays?
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A source of Electrons(comes from the filament/ Cathode)
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What is needed to cause the e-stream to accelerate at an extremely high speed from the cathode to the anode?
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High Voltage (KVp)
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What do the stream of electrons need to do in order to produce an x-ray?
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Slow down
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 Explain the pic of the x-ray tube |
RotorStator CoilsRotating Anote (positive)Glass EnvelopeCathode Focusing Cup (negative) Filament (negative)WindowTarget
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What are (6) characteristics of x-rays?
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Photons/ bundles of energyhighly penetratingInvisibletravel at the speed of light (186,000 miles/sec)travel in straight lines, but diverge from point of originHave different energies
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What are major types of image receptors?
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Film/screenDigitalFluoroscopic
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What is the primary beam?
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The x-ray beam that exits the x-ray tube
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How many photons does the primary beam consist of?
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A multitude; millions
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Where does the primary beam exist?
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Between the Tube and the Patient
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What is the primary beam made up of?
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Photons of many different energies
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What is the remnant beam?
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What remains after it passes through the patient
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What does the remnant beam do?
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Produces the image
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What is scatter Radiation?
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X-ray photons that, while passing through the patient, interact in such a way to cause them to be diverted from their normal path
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