ARRT registry review covering radiation protection
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| What does the linear threshold curve show? | responses that are proportional to the radiation dose received only after some particular dose is received (Radiography Prep pg 235)
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| What is the linear non-threshold curve used to illustrate? | responses such as radiation induced leukemia, cancer, and genetic effects (Radiography Prep pg 235)
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| What are early effects of radiation? | responses that occur very soon after exposure and are usually as a result of high dose in short period of time (Radiography Prep pg 236)
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| What are late effects of radiation? | can appear years after exposure: carcinogenesis, cataractogenesis, embryologic effect, and lifespan shortening (Radiography Prep pg 236)
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| According to the Law of Bergonie' and Tribondeau, what tissue are considered radiosensitive? | Stem cells, young, immature cells, and highly mitotic cells
(Radiography Prep pg 238)
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| What are some ways to reduce risk to recently fertilized ovum? | elective scheduling/ 10-day rule, patient questionnaire, and posting (Radiography Prep pg 242)
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| What are somatic effects of radiation? | affect the irradiated body itself (Radiography Prep pg 245)
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| What are the stages of Acute Radiation Syndrome? | Prodromal, latent, manifest illness, and recovery or death
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| What are the cardinal rules of radiation protection? | time, distance, and shielding (Radiologic Sciences for Technologists Tenth Edition pg 539)
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| Where does a technologist receive the majority of their occupational dose? | Fluoroscopy (Radiologic Sciences for Technologists Tenth Edition pg 544)
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| What are some types of fluoroscopic protection features? | Source-to-skin distance, primary protective barrier, filtration, collimation, exposure control, bucky slot cover, protective curtain, cumulative timer, and dose area product (Radiologic Sciences for Technologists Tenth Edition pg 550-552)
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| What is the recommended yearly occupational dose limit for radiologic personnel? | 0.5 Sv/yr (5000 mrem/yr) (Radiologic Sciences for Technologists Tenth Edition pg 582)
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| Extremity monitoring must be provided for interventional radiologists. True or false? | true (Radiologic Sciences for Technologists Tenth Edition pg 583)
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| What types of personnel radiation monitors are used in diagnostic radiology? | film badges, thermoluminescence dosimeters, and optically stimulated luminescence dosimeters (Radiologic Sciences for Technologists Tenth Edition pg 589)
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| Where should the radiation monitor be placed if the radiologic technologist participates in fluoroscopy? | on the collar above the protective apron (Radiologic Sciences for Technologists Tenth Edition pg 591)
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| What is the dose limit for technologists during pregnancy? | 0.5mSv/mo (50mrem/mo) (Radiologic Sciences for Technologists Tenth Edition pg 593)
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| What is the dose limit for the fetus for the period of pregnancy? | 5msv (500mrem) (Radiologic Sciences for Technologists Tenth Edition pg 593)
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| Technologists are required to wear two dosimeters during preganancy. True or false? | true (Radiologic Sciences for Technologists Tenth Edition pg 593)
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| What is the primary function of filtration? | to reduce patient skin dose (Radiography Examination pg 143)
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| What personnel radiation monitor will provide an immediate reading? | pocket dosimeter (Radiography Examination pg 144)
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| Radiation output from a diagnostic x-ray tube is measured in what unit of measurement? | roentgen (Radiography Examination pg 145)
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| The skin response to radiation exposure, which appears as reddening of the irradiated skin area- | erythema (Radiography Examination pg 147)
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| what is direct effect? | occurs with high-LET radiations and when ionization takes place at the DNA molecule itself (Radiography Examination pg 175)
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| what is indirect effect? | happens when ionization takes place away from the DNA molecule in cellular water (Radiography Examination pg 175)
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| What is the annual occupational whole-body dose equivalent limit for students under the age of 18? | 1mSv (100mrem or 0.1 rem) (Radiography Examination pg 150)
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