Radioactivity is used in PET scanners in hospitals.
PET scanners are used to diagnose cancer.
State two precautions that hospital staff might take when working with radioactivity.
State two other uses of radioactivity, apart from treatment or diagnosis of cancer.
Give two reasons why gamma is the most suitable type of radiation for sterilising medial equipment.
Iodine-131 is often used as a radioactive tracer which is injected into the patient's bloodstream.
State two precautions taken when using a radioactive isotope as a medical tracer.
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