ARRT Registry Review: Radiation Protection
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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What percentage of public exposure to ionizing radiation is from medical sources? | show 🗑
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show | Lymphocytes
Lange Q&A pg. 125
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The unit used to express kinetic energy released in matter? | show 🗑
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show | 150 mSv
Lange Q&A pg. 126
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show | 1/10 of the annual dose limit
Lange Q&A pg. 126
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show | Radiolysis
Lange Q&A pg. 126
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show | Compton scatter
Lange Q&A pg. 127
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show | 1/1,000
Lange Q&A pg. 127
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The most radiosensitive portion of the GI tract is what? | show 🗑
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The annual dose limit for occupationally exposed individuals is valid for what types of radiation? | show 🗑
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show | Rem (Sv)
Lange Q&A pg. 130
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show | Scattering
Lange Q&A pg. 129
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show | Attenuation
Lange Q&A pg. 130
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show | Linear, nonthreshold
Lange Q&A pg. 131
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show | Neurologic anomalies
Lange Q&A pg. 131
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show | Stochastic/probabilistic
Lange Q&A pg. 131
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According to NCRP regulations, leakage radiation from the x-ray tube must not exceed what? | show 🗑
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According to the NCRP, the annual occupational dose-equivalent limit (50 rem) to the thyroid, skin, and extremities is equal to how many mSv? | show 🗑
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The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the what? | show 🗑
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The SSD in mobile fluoroscopy must be at least how far? | show 🗑
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show | Ionization chamber
Lange Q&A pg. 135
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show | As LET increases, RBE increases.
Lange Q&A pg. 135
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An optically stimulated luminescence dosimeter contains what type of detector? | show 🗑
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show | Inner shell electron
Lange Q&A pg. 136
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Filters used in radiographic x-ray tubes generally are composed of what? | show 🗑
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show | 7 feet
Lange Q&A pg. 137
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