Question

What are tracers? How are they useful in medical field?

Answer 1

Answer:

Tracers are substances with atomic or nuclear, physical, chemical or biological properties that can help identify,observe or follow the behavior of various physical,chemical or biological processes.

Answer 2

A radioactive tracer, radiotracer, or radioactive label, is a chemical compound in which one or more atoms have been replaced by a radionuclide so by virtue of its radioactive decay it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from reactants to products

it is used to detect tumours

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