radiation protection
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| abbreviation for maximum perissible dose | MPD
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| cellular damage & death occcurs from radiation of the ----of a cell | DNA
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| Nuclear regulatory commission this agency has the power to enforce rad. protection standard. | NRC
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| formula for equivalent dose | Eqd=ABD Dose x rad.w1
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| amount of radiation to cuse twice the amount of response (mutation) | Doubling Dose
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| What is an RSO | Radiation Safety Officer
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| severe radiation damage to DNA can include---aberrration & ---damage | chromosome & ctyogenic
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| thickness of material that will attenuate 50% of x-ray beam. | half valve layer
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| what is an OSL & its properties most cost effective dosimeter | Iptically stimulated luminescence,Most cost effective dosimeter
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| what is reproducibility & its limit? | variation in x-ray exposure not to exceed 5%
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| forumla for relative risk | relative risk=observe cases over expected cases
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| ----is the most common interaction of x-ray with human body? | radiolysis
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| Annual MPD for a Radiation tech. | 5rem
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| what is linearity & the acceptable varience. | variation from one mA station to another & 10max
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| process that deposits energy into the material radiated | absorption
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| List 3 types of weariable radiation protection devices? | glove,apron,thyroid shields
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| T/F Radiation in-utero increases the risk of child leukemia by 50% | true
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| what is a point source of radiation | tube-primary beam/leakage radiationpatient-scatter
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| This organization is considered the internation authority on radiation safety | ICRP
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| What is TVL? | tenth valve layer
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| type of area moniter used to detect alpha & beta particles? | proportional counter
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| the ability to do work is ? | energy
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| this agency will conduct on site inspection of x-ray & mammography equipment | FDA
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| Who invented fluoro & when? | Thomas Edison-1896
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| what are the 4 stages after Rad.exposure | prodromal,latent,manifest,death/recovery
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| name the 5 types of DNA damage from radiation | main chain scission-one railmain chain scission-two railcross linkingrung breakagechange or base loss-point mutation
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| alters the quality of the x-ray beam | kVp
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| process that prevents photon from reaching the target | attenuation
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| a point at which a response 1st occurs is called | threshold
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| forumala for exposure | mA x s
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| what is the first stage of radiation sickness called | prodromal stage
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| ionization in the air | roentgen(R)
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| what is a PBL & what is the limit of variation? | positive beam limitation-2%
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| In a sine wave frequency & wavelength are--- porportional | inversely
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| the indirect effect is caused by the Radiation of --- molecules | water
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| what is the equation for the maximum # of e- in a shell | 2n z
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| an atom with diferent # of neutrons & same # of protons is? | isotope
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| of the 3 cardinal rules which one is most effective | distance
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| groups of element in the periodic table represent. | elements with the same # of outer shell e-
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| a type of ARS which occurs at 1000 rads is | GI syndrome
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| hardens the x-ray beam | filtration
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| easily penetrated by x-ray | radiolucent
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| this organization used to be called the Atomic Regulatory commission | NRC
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| Type of radiation effect on a molecule resulting in lower viscosity | main chain scission
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| type of radiation effect on a molecule resulting in increased viscosity | chain linking
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| radiation induced chromosome damage in termed the | cytogenetic effect
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| formula for cmulative life time MPD | 5(n-18) or age x 1rem
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| has mass & takes up space | matter
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| a very conservation risk model concerning radiation exposure | ALARA
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| what are the 3 effects that occur from DNA irradiation? | cell deathgenetic damagemalignant disease
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| late somatic effect resulting in callused discolored & weathed looking skin. | radiodermatitis
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| describe protein synthesis in the cell DNA in order starting with DNA | DNA--transcript--mRNA--transfer--& RNA--translate--protein
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| what is MMD? | mean marrow dose
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| what dose response relationship does cataracts formation have? | non-linear threshold
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| ---is the result of 300-400 rad.& results in the death of 50% at the population in 60 days? | LD50/60
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| Name for electromagnetic energy | Radiation
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| what is the stage of apparent well-ness during rad.sickness called? | latent stage
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| most radiosensity cell in the human body? | lymphocytes
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| x-ray interaction when an outer shell e- is sent out of orbit with some loss of energy? | compton effect
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| one of the 4 contributing factors in somatic or genetic damage is the ---of the area exposed | size
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| what is cytogenetics? | study of genetics & particulary chromosomes
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| a somatic effect which has a random chance of occurance after exposure is called? | stochastic
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| formula for oxygen enhancement ratio | OER=dose without 02(02)over dose with 02(02)
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| the --target/--hit theory is best described aws the response of simple cells to radiation | single & single
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| non-stochastic prevents the effects--- | of non-stochastic effects from occuring
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| stochastic-to limit the risk of----- | stochastic responses to radiation exposure
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| 3 ways that dose is reported? | skin, gonads, marrow
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| name 5 dosimeters | OSL,TLD,PIC,cutie pie,film badge
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