Font size
WorksheetsNuclear Engineering Principles 9
Total questions: 10
Worksheet time: 6mins
What is the difference between radiation exposure and contamination?
Contamination is radioactive material where it is unwanted
Radiation exposure does not cause harm
There is no difference
Contamination is caused by radiation exposure
Which type of radiation is the greatest internal hazard?
Neutrons
Which part of the body is targeted by I-131?
Brain
Blood
Bone
Thyroid
Which organ is at the greatest risk from Kr-85?
Brain
Heart
Lungs
Kidneys
What is used to detect radiation exposure to the body?
Scintillation counter
Semiconductor detector
Gaseous ionisation detector
Dosimeter
Which type of dosimeter should be used for real time dose information?
Electronic
TLD
Film badge
Quartz fibre dosimeter
How can radiation exposure be minimised?
Decrease the time spent with the source
Increase the distance from the source
Use shielding
Use a source with lower activity
How far should a source be kept from the body?
10cm
20cm
30cm
50cm
How should you handle cup sources?
With your fingertips
On the palm of your hands
Using long forceps
With gloves
Which of these should you do when handling radioactive sources?
Wash your hands afterwards
Check for any damage before using
Do not eat/drink whilst handling
Handle sources carefully
