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Radiation exposure question-or radiocats?

My cat Binhex received a dose of I-131 of 3.5 mCi (millicuries) on Monday for hyperthyroidism (she's doing fine, thank you).

Today she was released from the radiotherapy clinic with a radiation reading of 0.4 millirads. Since rads are an obsolete unit of radiation measurement, I converted to Grays. Currently, her emitted radiation is 0.000004 Gy.

How many radioactive cats would you need to be equivalent to one chest x-ray (in Grays)?

Ten points to the best answer!

2 Answers

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  • 1 decade ago
    Favourite answer

    The typical chest x-ray dose is 0.25 mRads,

    according to http://chestx-ray.com/genpublic/genpubl.html.

    So ChestRad/CatRad = ChestGr/CatGr = 0,25/0,4 =6,25 cats

    (LOL) or 625 cats for 100 people.

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    5 years ago

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