7. A worker receives a dose of 7.8 mGy to his lungs from an inhaled al- pha emitter, and a uniform, whole-body dose of 17-mGy from an external source of 1.25-MeV gamma rays. (a) What is his effective dose? (b) Would his dose exceed the NCRP annual limit on effective dose?

7. A worker receives a dose of 7.8 mGy to his lungs from an inhaled al- pha emitter, and a uniform, whole-body dose of 17-mGy from an external source of 1.25-MeV gamma rays. (a) What is his effective dose? (b) Would his dose exceed the NCRP annual limit on effective dose?

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter11: Instrumentation In Respiration

Section: Chapter Questions

Problem 4P

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H5.

7. A worker receives a dose of 7.8 mGy to his lungs from an inhaled al-
pha emitter, and a uniform, whole-body dose of 17-mGy from an external
source of 1.25-MeV gamma rays. (a) What is his effective dose? (b) Would
his dose exceed the NCRP annual limit on effective dose?

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