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8 questions
What makes something radioactive?
an unstable nucleus
contaminated sewage
elements with an atomic number above 81
it decays over time
Dose limit to radiation workers are 20mSv/year
True
False
A radiation dosimeter badge does protect the worker from radiation
True
False
MRI is one type of emission imaging
True
False
X-rays passing through tissue, independent on the energy of the x-ray and the atomic number of the absorbed materials
True
False
X-rays that pass through the air to the film render the film dark (black)
True
False
Perpendicular projections are necessary to localize structures in the body
True
False
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