Radiation Safety Part 1 - Biological Aspects of Radiation
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| show | Deterministic or non-stochastic
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| show | Stochastic or probabilistic
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| What is described as a measure of the rate at which energy is transferred from ionizing radiation to soft tissue? | show 🗑
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| show | Genetic effects, radiation -induced cancer,, leukemia
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| show | Non linear(Sigmoid), threshold dose response curve
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| What type of effects are described as "those biologic somatic effects of ionizing radiation that exhibit a threshold dose below which the effect doses not normally occur and above which the severity of the biologic damage increases?? | show 🗑
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| What is the cellular component having the greatest radiobiological significance? | show 🗑
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| show | Oxygen Increases Radiosensitivity
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| Which of the following ionizing radiations has the highest LET? Alpha, Beta, Gamma, X-ray | show 🗑
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| show | Acute Radiation Syndrome
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| List three major types of acute radiation syndrome. | show 🗑
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| show | Hematological (Hematopoietic)
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| show | 1, 1, 20
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| Describe the energy and LET of occupational radiation. | show 🗑
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| Give two examples of common local tissues that can be affected by ionization radiation | show 🗑
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| Erythema can be an effect of excessive ionizing radiation exposure to what body part? | show 🗑
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| List the following in order of decreasing radiosensitivity: skin, lungs, gonads, liver | show 🗑
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| Radiation -induced biologic damage organisms is termed ____ effects | show 🗑
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| show | Deterministic
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| show | 150 msv
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| show | 50 msv
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| NCRP limit for Occupational Dose for Thyroid (Deterministic effects) | show 🗑
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| show | .5 msv
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| NCRP limit for Occupational Dose for Embryo/Fetus Gestation | show 🗑
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| show | 15 msv
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| NCRP limit for Public dose for infrequent exposures - Somatic effects | show 🗑
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| NCRP limit for Public Dose for frequent exposures - Somatic effects | show 🗑
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| NCRP limit for Occupational Dose for Deterministic effects - hands, feet, arms | show 🗑
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| show | 50 msv
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| Somatic effects that occur within minutes, hours, days, or weeks after the initial irradiation are termed ____ | show 🗑
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| show | 1 gy
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| The latent period in the ARS decreases as radiation exposure ______________ | show 🗑
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| show | The presence of oxygen increases cell/tissue radiosensitivty
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| What is LD 50/30 for adult humans? | show 🗑
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| A dose of 2 gy to the skin can cause a radiation induced reddening termed _____ | show 🗑
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| Ionizing radiation induced hair loss is termed _______ | show 🗑
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| What is the name of the particularly radiosensitive sex cell? | show 🗑
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| What is the target organ believed responsible for radiation induced leukemia? | show 🗑
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| show | 2 gy
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| show | 1st trimester
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| What is defined as " the estimated dose to the gonads that , if received by the total population gene pool, would produce the total genetic effect on the population as the sum of the individual doses actually received"? | show 🗑
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| show | When gonads are within 5cm of collimated primary beam, when patient is of reproducible age, and when clinical exam allows
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| show | the lens of the eye, the breasts, and gonads
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| show | 50
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| show | 90-95
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| List 4 types of late effects of ionizing radiation exposure | show 🗑
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| What skin layer is the most sensitive? | show 🗑
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| show | Compton and photoelectric
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| show | Compton
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| show | Photoelectric
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| Which of the major interactions between x-ray photons and tissue cells results in total absorption of the incident photon?` | show 🗑
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| Which of the major interactions between x-ray photons and tissue cells is a major contributor to patient dose? | show 🗑
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| Which of the major interactions between x-ray photons and tissue cells predominates in the diagnostic x-ray range? | show 🗑
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| Which of the major interactions between x-ray photons and tissue cells is responsible for scattered radiation fog? | show 🗑
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| Which of the major interactions between x-ray photons and tissue cells poses a radiation hazard to personnel? | show 🗑
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| show | Compton
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| show | Photoelectric
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| Which interaction between x-ray photons and matter is most damaging to the diagnostic image? | show 🗑
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| Which interaction between x-ray photons and matter involves the greatest patient dose? | show 🗑
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| show | Coherent
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| show | Compton
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| show | Photoelectric
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| show | Compton
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| show | Photoelectric
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| Which interaction between x-ray photons and matter is most likely to produce short-scale contrast? | show 🗑
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| show | Filters (Aluminum, Copper, Tin)
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| Which of the following three types of dosimeters is the most sensitive? TLD, or OSL? | show 🗑
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| What are the two weighing factors that are used to determine the Sievert? | show 🗑
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| Are radiation induced cataracts considered early or late effects? | show 🗑
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| show | leukopenia (decreased white blood cells), nausea
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Created by:
rcberger06
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