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A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a ߯ emitter with a half-life of 14.3 days. The average kinetic energy of the emitted electrons is 7.00 x 10² keV. If the initial activity of the sample is 1.31 MBq, determine (a) the number of electrons emitted in a 10.0-day period, (b) the total energy deposited in the body during the 10.0 days, and (c) the absorbed dose if the electrons are com- pletely absorbed in 1 × 10² g of tissue.

A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a ߯ emitter with a half-life of 14.3 days. The average kinetic energy of the emitted electrons is 7.00 x 10² keV. If the initial activity of the sample is 1.31 MBq, determine (a) the number of electrons emitted in a 10.0-day period, (b) the total energy deposited in the body during the 10.0 days, and (c) the absorbed dose if the electrons are com- pletely absorbed in 1 × 10² g of tissue.

Modern Physics
Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter14: Nuclear Physics Applications
Section: Chapter Questions
Problem 12P
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A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a ߯ emitter with a half-life of 14.3 days. The average kinetic energy of the emitted electrons is 7.00 x 10² keV. If the initial activity of the sample is 1.31 MBq, determine (a) the number of electrons emitted in a 10.0-day period, (b) the total energy deposited in the body during the 10.0 days, and (c) the absorbed dose if the electrons are com- pletely absorbed in 1 × 10² g of tissue.
Transcribed Image Text:A patient swallows a radiopharmaceutical tagged with phosphorus-32 (P), a ߯ emitter with a half-life of 14.3 days. The average kinetic energy of the emitted electrons is 7.00 x 10² keV. If the initial activity of the sample is 1.31 MBq, determine (a) the number of electrons emitted in a 10.0-day period, (b) the total energy deposited in the body during the 10.0 days, and (c) the absorbed dose if the electrons are com- pletely absorbed in 1 × 10² g of tissue.
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