Rad Physics and Rad Bio
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| What do we need to produce an x-ray? | show 🗑
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| show | thermionic emission at the filament
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 240).Chicago, IL: McGraw-Hill Education.
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| What are the two interactions that occur at the target? | show 🗑
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| Describe Bremsstrahlung radiation Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 240).Chicago, IL: McGraw-Hill Education. | show 🗑
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| What kind of emission spectrum is produced from Brem radiation? | show 🗑
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| show | an e- ejects a k shell e- in a tungsten atom and leaves a vacancy, vacancy gets filled and gives off a characteristic x-ray
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| What kind of emission spectrum is produced from Characteristic radiation? | show 🗑
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| show | Brem
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 240).Chicago, IL: McGraw-Hill Education.
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| show | 69 kev
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 240).Chicago, IL: McGraw-Hill Education.
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| show | short wavelength, high frequencies, high energy
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 238).Chicago, IL: McGraw-Hill Education.
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| show | travel in straight lines, travel at the speed of light, polyenergetic, homogenous, ionize matter
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| show | low energy photon interacts with tissue, ejects an inner shell e-, transfers all energy characteristic x-ray given off
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| Which interaction contributes to the patients dose? | show 🗑
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| What kind of contrast does photoelectric produce? | show 🗑
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| Describe Compton scatter Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 241).Chicago, IL: McGraw-Hill Education. | show 🗑
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| Describe Coherent scatter Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 241).Chicago, IL: McGraw-Hill Education. | show 🗑
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| SI unit of absorbed dose | show 🗑
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| show | Sievert
Saia, D.A. (2018). Radiation Exposure and Monitoring. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 296).Chicago, IL: McGraw-Hill Education.
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| Which threshold curve is associated with stochastic effects? | show 🗑
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| Which threshold curve is associated with nonstochastic effects? | show 🗑
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| What is LET? | show 🗑
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| What is RBE? | show 🗑
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| show | stem cells, immature cells, and highly mitotic cells
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 249).Chicago, IL: McGraw-Hill Education.
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| show | low LET
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 249).Chicago, IL: McGraw-Hill Education.
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| show | 5 -6 Gray
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 252).Chicago, IL: McGraw-Hill Education.
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| show | 2 Gray
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 252).Chicago, IL: McGraw-Hill Education.
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| Which trimester is the most radiosensitive? | show 🗑
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| show | .2 - .4 Gray
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 252).Chicago, IL: McGraw-Hill Education.
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| List examples of short term somatic effects | show 🗑
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| What is epistaxis? | show 🗑
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| show | cancer, leukemia, cataractogenesis, and life span shortening
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 244).Chicago, IL: McGraw-Hill Education.
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| Minimum lead equivalent for lead aprons | show 🗑
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| Minimum lead equivalent for gloves | show 🗑
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| Minimum lead equivalent for thyroid shield | show 🗑
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| Minimum lead equivalent for glasses | show 🗑
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| show | 0.25 mm Pb
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 283).Chicago, IL: McGraw-Hill Education.
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| Minimum lead equivalent for curtain | show 🗑
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| Minimum lead equivalent for clear overhead barrier | show 🗑
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| Annual whole body exposure | show 🗑
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| show | 150 mSv
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 283).Chicago, IL: McGraw-Hill Education.
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| show | 500 mSv
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 283).Chicago, IL: McGraw-Hill Education.
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| Cumulative Effective Limit | show 🗑
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| Public exposure - annual effective dose equivalent limit | show 🗑
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| show | 50 mSv
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 283).Chicago, IL: McGraw-Hill Education.
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| Embryo/fetus exposure for entire gestational period | show 🗑
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| show | 0.5 mSv
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 250).Chicago, IL: McGraw-Hill Education.
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| show | Compton Scatter
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 241).Chicago, IL: McGraw-Hill Education.
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| Describe Pair Production Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 241).Chicago, IL: McGraw-Hill Education. | show 🗑
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| show | min. of 10 MeV photon directly absorbed by nucleus and explodes
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| show | Becquerel
Saia, D.A. (2018). Radiation Exposure and Monitoring. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 296).Chicago, IL: McGraw-Hill Education.
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| What is the unit of radiation exposure in air? | show 🗑
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| show | 1
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 249).Chicago, IL: McGraw-Hill Education.
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| What is the OER for human tissues? | show 🗑
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| What is the lethal dose? | show 🗑
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| Describe radiolysis | show 🗑
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| show | x-ray splits water molecule and forms a free radical that can produce damage
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| show | x-ray hits DNA directly
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 247).Chicago, IL: McGraw-Hill Education.
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| show | also called apoptosis, cell dies without attempting to divide
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| show | includes most late effects, cancer, genetic effects, NO SAFE DOSE
Saia, D.A. (2018). Radiation Physics and Radiobiology. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 245).Chicago, IL: McGraw-Hill Education.
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| show | includes all early effects and some late effects, hair loss, temporary infertility, cataracts, need some dose to produce effects
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| show | bone marrow syndrome, most sensitive system in the body, blood disorders, 1-10 Gray
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| What is the GI Syndrome in ARS? | show 🗑
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| What is the CNS syndrome in ARS? | show 🗑
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| For 70 kv or higher what is the total filtration in the tube? | show 🗑
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| For 50 -70 kv what is the total filtration in the tube? | show 🗑
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| show | .5 mm Al
Saia, D.A. (2018). Patient Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 266).Chicago, IL: McGraw-Hill Education.
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| show | increase contrast
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| Minimum SID on fixed fluoro units? | show 🗑
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| Minimum SID on mobile fluoro units | show 🗑
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| What is the most effective method of reducing occupational dose? | show 🗑
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| The allowed leakage radiation from the tube should be | show 🗑
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| show | surfaces struck by primary beam
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 285).Chicago, IL: McGraw-Hill Education.
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| Primary protective barriers require how much lead? | show 🗑
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| Primary protective barriers should be how tall? | show 🗑
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| show | surfaces struck with stray radiation (scatter or leakage)
Saia, D.A. (2018). Personnel Protection. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 285).Chicago, IL: McGraw-Hill Education.
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| Secondary protective barriers require how much lead? | show 🗑
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| The barriers should overlap by how much? | show 🗑
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| What is the max exposure at the table top of a fluoroscopic unit? | show 🗑
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| What is the purpose of dosimeters? | show 🗑
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| Describe film badges | show 🗑
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| show | made of lithium fluoride, gets heated to read, no archival record
Saia, D.A. (2018). Radiation Exposure and Monitoring. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 300).Chicago, IL: McGraw-Hill Education.
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| show | instant reading, inaccurate, short term monitoring
Saia, D.A. (2018). Radiation Exposure and Monitoring. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 300).Chicago, IL: McGraw-Hill Education.
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| show | made of aluminum oxide detector, laser light reads it, filters determine energy levels
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| show | risk of receiving 10% of the annual effective absorbed dose equivalent
Saia, D.A. (2018). Radiation Exposure and Monitoring. In S. Barnes, C. M. Thomas (Eds.), Radiography Prep (9th ed., pp. 296).Chicago, IL: McGraw-Hill Education.
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