Using radioactivity Flashcards
1
Q
Food irradiation
A
radiation used to sterilise food
2
Q
sterilisation of equipment
A
medical equipment (syringes etc.)
3
Q
Tracer solution
A
a liquid containing a radioactive isotope which is injected into the body
4
Q
Why is alpha radiation used in smoke detectors
A
because it is blocked easily
5
Q
Dangers of radioactivity
A
Person irradiated if exposed to radiation
Person contaminated if bits of radioactive material gets on their skin or inside them
6
Q
Why are large amounts of ionising radiation dangerous
A
Can cause skin burns
7
Q
Why are small amounts of ionising radiation dangerous
A
can damage DNA and cause mutations if radiated over long period of time
