A person receives a single whole-body dose of a particles. The absorbed dose is

Question

A person receives a single whole-body dose of a particles. The absorbed dose is 21 rad, and the RBE of the a particles is 12. (a) Determine the biologically equivalent dose received by this person.
_________rem

(b) With this dose, which one of the following would you expect to happen?
a.) no short-term ill effects b.) the onset of radiation sickness, but with little risk of dying     c.) a 50% chance of dyingd.) almost certain death (a) Determine the biologically equivalent dose received by this person.
_________rem

(b) With this dose, which one of the following would you expect to happen?
a.) no short-term ill effects b.) the onset of radiation sickness, but with little risk of dying     c.) a 50% chance of dyingd.) almost certain death

Explanation / Answer

Given    absorbed dose    = 21 rad    Relative biological effective ness    RBE   = 12         a) biological equivalent dose received by this person                                    =    21 rad * 12 rem / rad                                    = 252 rem          b) almost certain death

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