How can radioactive materials be used safely? - OCR 21C

1

What type of radiation is used to kill microbes in fruit?

2

What is radioactive powder being spilled onto clothing an example of?

3

During irradiation, what happens to the irradiated object?

4

Why might a radioactive source be injected into a patient?

5

A radioactive isotope is injected so a patient’s kidneys can be investigated. What properties should the isotope have?

6

Which of these is a precaution to reduce exposure to radiation?

7

What is a gamma knife used for?

8

What effect can high doses of radiation have on the human eye?

9

What properties are most desired in an isotope used to investigate the kidneys, which normally take 12 hours to process a contaminant?

10

What source is used often to provide the gamma radiation when irradiating fruit?