An amount of 20 uCi of 32p (TR 14.3 d) is injected into the bloodstream of a reference adult ( m =70 kg). 32p is metabolized in such a way that 40% is uniformly distributed throughout the whole body where it is cleared with a biological half-life of 19 d. What is the effective half-life of 32p in the total body?

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter21: Heparin Infusion Calculations
Section: Chapter Questions
Problem 1.3P
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An amount of 20 uCi of 32p (TR 14.3 d) is
injected into the bloodstream of a reference
adult ( m =70 kg). 32p is metabolized in
such a way that 40% is uniformly distributed
throughout the whole body where it is
cleared with a biological half-life of 19 d.
What is the effective half-life of 32p in
the total body?
A. 3.26 d
B. 14.3 d
. C. 8.16 d
D. 19 d
Clear my choice
In the previous problem, calculate the total
number of transformations that occur in the
total body as a source organ.
A. 4.52x1011
B. 3.01x1011
C. 5.22x1011
D. 7.53x1011
In the previous problem, calculate the total
body dose
(Em=1.710 MeV and E 0.695 Me
%3D
A. 47.8 mGy
B. 47.8 mrad
C. 47.8 rad
D. 4.78 mrad
Transcribed Image Text:An amount of 20 uCi of 32p (TR 14.3 d) is injected into the bloodstream of a reference adult ( m =70 kg). 32p is metabolized in such a way that 40% is uniformly distributed throughout the whole body where it is cleared with a biological half-life of 19 d. What is the effective half-life of 32p in the total body? A. 3.26 d B. 14.3 d . C. 8.16 d D. 19 d Clear my choice In the previous problem, calculate the total number of transformations that occur in the total body as a source organ. A. 4.52x1011 B. 3.01x1011 C. 5.22x1011 D. 7.53x1011 In the previous problem, calculate the total body dose (Em=1.710 MeV and E 0.695 Me %3D A. 47.8 mGy B. 47.8 mrad C. 47.8 rad D. 4.78 mrad
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