What type of radiation is commonly used in the treatment of cancer?

• Ultraviolet radiation

• Alpha radiation

• Gamma radiation

• Beta radiation

What is the effect of gamma radiation on cancer cells?

• It makes them multiply

• It changes their color

• It makes them benign

• It kills or slows their growth

How does radiation help in treating an overactive thyroid gland?

• By stimulating the immune system

• By destroying some thyroid cells

• By reducing the size of the gland

• By increasing hormone production

What is the purpose of using radiation in smoke detectors?

• To detect motion

• To emit light

• To produce sound

• To create a small current

What does the irradiation process do to food?

• Makes it radioactive

• Changes its taste

• Extends its shelf life

• Increases its nutritional value