Why is it important that radioisotopes used in diagnostic tests have short half-lives?
A) These radioisotopes are less expensive.
B) These radioisotopes are more abundant in nature.
C) These radioisotopes have a greater activity so they are easier to monitor.
D) This is necessary so the radioisotopes will have high energy.
E) This minimizes the harmful side effects of the radiation.
Correct Answer:
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