nuclear med radiation protection

Question 1

radiation in nuclear med - gamma rays

Answer 1

• not easy to control
• cannot be switched off
• shielding
• half lives

Question 2

inverse square law in terms of shielding

Answer 2

• reduces dose by keeping distance
• increase distance when possible
• take step back when talking to patients and keep distance when escorting

Question 3

activity

Answer 3

MBq

Question 4

dose

Answer 4

mSv

Question 5

monitoring dose

Answer 5

• radionuclide assay calibrators
• QA programmes and QC testing for radionuclide calibrators
• personal contamination monitors
• person dose meters
• gamma sample counters
• external probes