How are radioactive elements used for medical diagnosis plz hurry it's for my test

There are multiple ways.

The elements are placed in cameras which record images from emitted radiation.

Some isotopes are absorbed by tissues and organs. These isotopes act as tracers.

The radiation from certain elements expose internal organs to photographic film.

because he created electricity

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.