ARRT registry review covering equipment operation
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| This is caused by a high-speed electron redirecting and losing energy | Bremsstrahlung x-rays
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| A K shell electron is ejected and an L shell electron moves to fill the vacancy | characteristic x-rays
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| In diagnostic range,contributes to patient dose, and releases characteristic x-rays | photoelectric effect
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| more prevalent in higher energy ranges and contributes to occupational dose | compton scatter
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| outside diagnostic range, 2 particles- an electron and positron result | pair production
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| a smaller anode angle gives a smaller | effective focal spot
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| change mechanical energy to electrical energy | generators
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| has one winding and operates on self-induction | autotransformer
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| more windings on the secondary coil | step-up transformer
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| a single phase half wave generator has what % of voltage ripple | 100%
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| a three-phase twelve pulse generator has what % of voltage ripple | 4%
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| the input phosphor converts what to what | x-rays to light
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| boiling off off of electrons when the filament is heated | thermionic emission
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| the output phosphor converts what to what | electrons to light
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| the effective focal spot is always smaller than the actual focal spot according to what priciple | line focus principle
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| functions to automatically adjust for any fluctuations in incoming voltage | line voltage compensator
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| the mA meter is found in what circuit | secondary/high-voltage circuit
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| the mA selector is found in what circuit | filament circuit
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| a synchronous spinning-top test is used to test timer accuracy in what kind of equipment | three phase
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| QA term describing the same radiation output for different stations/combos | reciprocity
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Created by:
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