Physics for IGCSE & O level - Atoms And Radioactivity (Section 5 - No. 26)
What is the main advantage of using radioactive isotopes in medical imaging?
They have very long half-lives.
They can be used to trace and visualize internal processes.
They are easily removed from the body.
They are completely harmless to the patient.
Explanation
Radioactive isotopes allow to visualize internal processes.
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