Radioactivity Crossword

3. The type of radiation emitted by radioactive tracers.
4. The process of killing off bacteria and germs.
9. A deadly disease caused by out of control cell growth.
10. The part of a gamma camera consisting of a lead shield with thousands of small holes in it.
11. The kidney which was not working properly in the patient discussed.
12. To ensure that the tumor receives the maximum possible dose of radiation, the source of radiation must do this.

1. The isotope that emits the radiation used in radiotherapy.
2. A radioactive tracer used to examine kidney function.
5. The part of the body where Iodine-131 will tend to accumulate.
6. The treatment of Cancer using radiation.
7. The number of minutes taken for all of the radioactive tracer injected into the body to accumulate in the kidneys.
8. In agriculture, radioactive tracers are often added to this in order to monitor plant development.