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Question 17c#MBMovr t0 snothcr Qurston-1opcinbQueticnuldetribuior cbsenyikion ( Ontthnor DieenicEnenmejn tndurd deaton; 4r one sundard dEvijtin ofth? mean hue Handa...

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Question 17c#MBMovr t0 snothcr Qurston-1opcinbQueticnuldetribuior cbsenyikion ( Ontthnor DieenicEnenmejn tndurd deaton; 4r one sundard dEvijtin ofth? mean hue Handard annbiona 04Ino Aatnin Marahi oc-latom Me,n6105 49.7 Empinal Rulc ot humtLiL95-99 7 IMpLAcEof-Thumb Dner thr (olomingauoiloni studcriyuchgarantin nvesbzate the etects of tao wariatles-() _ aludente Tof mth#matlcal arxtety and (7] teaching method oenerec rupoytory ethod Thase studenbs cotaneda mean Kore cf450 ere (Wucr Ine uadilon! H

Question 17c#MB Movr t0 snothcr Qurston- 1opcinb Queticn uldetribuior cbsenyikion ( Ontthnor Dieenic Enenmejn tndurd deaton; 4r one sundard dEvijtin ofth? mean hue Handard annbiona 04Ino Aatnin Marahi oc-latom Me,n 6105 49.7 Empinal Rulc ot humt LiL95-99 7 IMpLAcE of-Thumb Dner thr (olomingauoiloni studcriyuchgarantin nvesbzate the etects of tao wariatles-() _ aludente Tof mth#matlcal arxtety and (7] teaching method oenerec rupoytory ethod Thase studenbs cotaneda mean Kore cf450 ere (Wucr Ine uadilon! Hlinemu LJ hudu lotlrel stindarc Ied Tantest Rotedallo nanul Airtinuicn undare {Citcc{ Jnstr: Mclot An choten Taroane RDUJhjve Cccrauhon 7C07 Wia Gihe Iclorngut Jo 0iz TF + ETF(TT rdoxertn Wadec normal cunvo 4 99.71 0' #[Cet Krol ancct Betnan J901 orcetraci nould~oU Teeneren Icaathyn 40n7 hal peitenuze Knrcautnild~u pect to Leetn aJindaor Uttnntu Mutliuneilente IFtneidoms 3 Toru



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Each of these problems consists of Concept Questions followed by a related quantitative Problem. The Concept Questions involve little or no mathematics. They focus on the concepts with which the problems deal. Recognizing the concepts is the essential initial step in any problem-solving techinque. Concept Questions Identical body tissues are being irradiated by two types of radiation (e.g., X-rays and protons). (a) If the absorbed doses are the same, which type of radiation, the one with the larger RBE or the smaller RBE, produces the greater biological effect on the tissue? (b) If the two types of radiation have the same RBE, which type, the one that generates the greater absorbed dose or the smaller absorbed dose, produces the greater biological effect? Provide a reason for each answer. Problem Someone stands near a radioactive source and receives doses of the following types of radiation: $\gamma$ rays $(20 \mathrm{mrad}, \mathrm{RBE}=1),$ electrons $(30 \mathrm{mrad}, \mathrm{RBE}=1),$ protons (5 $\mathrm{mrad}, \mathrm{RBE}=10),$ and slow neutrons $(5 \mathrm{mrad}, \mathrm{RBE}=2)$. Rank the types of radiation, highest first, as to which produces the largest biologically equivalent dose. Verify that your answers are consistent with your answers to the Concept Questions.


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