IAEA

Question 1

No practices or source within a practice should be authorized unless the practice produces sufficient benefit to the exposed individuals or to society to offset the radiation harm that it might cause

Answer 1

Justification of practices

Question 2

In relation to exposures from any particular source within a practice except for therapeutic and medical exposures protection and safety shall be optimized in order that the magnitude of individual doses the number of people exposed and the likelihood of incurring exposures all be kept as low as reasonably achievable

Answer 2

Optimization of protection and safety

Question 3

If the reading corresponds to a dosimeter worn outside a lead apron of a pregnant worker there is approximately over estimation of fetal dose to a factor of

Answer 3

100

10 if inside

Question 4

Personal monitoring badges should be issued every _ number of weeks four general radiology and __ for dental radiology

Answer 4

four weeks
8 weeks for dental

Question 5

All lead apron should be tested approximately for shielding integrity every

Answer 5

8 to 12 months interval

Question 6

What is the limit of equivalent dose to the lenses of the eye per year

Answer 6

150 mSv

Question 7

Those reduction in ct can be accomplished through the judicious use of three factors

Answer 7

Kvp mas and slice spacing

Question 8

What is the primary cause for high doses in ct

Answer 8

Failure to adjust the ms based on the size of the patient or the body part being image