A radiologist selecting an isotope for use in diagnosis would try to find one that...?

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A radiologist selecting an isotope for use in diagnosis would try to find one that...?

a. is quickly elimanted by the body
b. has a short life span
c. can do the job in least concentration
d. has a long half- life
e. a,b, and c

THNX FO HELP!!!

2007-11-02 05:16:11 · 2 answers · asked by Moose On Da Loose 2 in Science & Mathematics ➔ Chemistry

2 answers

E. (also, is available and inexpensive)

2007-11-02 05:32:47 · answer #1 · answered by cattbarf 7 · 1⤊ 0⤋

e., all those things are useful.

d doesn't fit, if it has a long half life, it means it's probably not giving off much detectable radiation so you would need to use a lot of it

2007-11-02 13:19:56 · answer #2 · answered by bagalagalaga 5 · 0⤊ 0⤋