Radiation Safety

Which type of radiation is most damaging inside the body?

• Alpha particles
• Neutron

• Gamma rays
• Beta particles

What is the SI unit for radioactivity?

• Becquerel

• Curie

• Sievert

• Gray

What does ALARP stand for?

• As Low As Radiation Protection

• As Low As Radiation Possible

• As Low As Reasonably Preventable

• As Low As Reasonably Practicable

How can you increase distance when handling radioactive sources?

• Use long forceps

• Hold them further from the body

• Carry them in a box

• Wear gloves

What should you do before handling radioactive sources?

• Wash your hands

• Check for damage

• Make sure the equipment is already set up

• Read and understand the standard operating procedures

What should you do immediately after handling radioactive sources?

• Write a risk assessment

• Put them back in their containment

• Wash your hands

• Eat a sandwich

What is the maximum radiation dose per year for members of the public?

• 1 mSv

• 20 mSv

• 10 mSv

• 50 mSv

What is the radiation weighting factor for alpha radiation?

• 20

• 1

• 10

• 50

Which type of shielding is most effective against gamma radiation?

• Paper

• Aluminium foil

• Lead

• Water

How many Becquerels is 1 Curie?

• 4.7 x 10^10

• 3.7 x 10^10

• 3.7 x 10^8

• 4.7 x 10^8