Uses and Risk

Radiation

Radiation

________- emitting implants can also be put next to or inside tumours.

Radiotherapy

________- treating cancer with radiation.

Lower doses

________ tend to cause minor damage without killing the cells.

Gamma rays

________ are directed carefully and at just the right dosage to kill the cancer cells without damaging too many normal cells.

Gamma sources

________ are usually used in medical tracers.

strongest reading

A computer converts the reading to a display showing where the ________ is coming from.

high doses

Since ________ of ionising radiation will kill all living cells, it can be used to treat cancers.

Radiation

________ can enter living cells and ionise atoms and molecules within them, this can lead to tissue damage.

Risks

prolonged exposure to radiation poses future risks and causes side effects

Benefits

can get rid of cancer entirely

radiation

There are risks to using______

kill all cells

High doses of ionising radiation will________, so they are used to cure cancer

they can be used to diagnose life-threatening conditions

Benefits are________

directed carefully and at just the right dosage

Gamma rays are_____ to kill cancer cells

can kill all cells

Higher doses_____

cause minor damage without killing the cells

Lower doses_________

Perceived risk

______ is how risky a person thinks he is