RADT TEST PAPER QUESTIONS ANSWERS COMPLETE SOLUTION DETAILED REVIEW SHEET

RADT TEST PAPER QUESTIONS ANSWERS
COMPLETE SOLUTION DETAILED REVIEW
SHEET

●● Human Made
Answer: Fallout(nuclear weapons and power plants), Industry(industrial
gamma radiography screening), Medical and Dental Imaging


●● which radiation source accounts for the largest percentage of
exposure?
Answer: Radon(Natural Internal Exposure)


●● 6 characteristics of X-rays
Answer: part of electromagnetic spectrum, travel in a sine wave(straight
line),speed light, ionizing atoms, no mass/charge, heterogeneous(many
energies)


●● What does air kerma measure?
Answer: Gray, in air


●● what does absorbed dose measure?
Answer: Gray, in tissue

, ●● Annual dose limits for occupational worker(body)?
Answer: 50 mSv


●● Annual dose limits for occupational worker(hands/feet/skin)
Answer: 500 mSv


●● Annual dose limits for general public(frequent)
Answer: 1 mSv


●● Annual dose limits for general public(infrequent)
Answer: 5 mSv


●● Embryo or fetus, total for gestation
Answer: 5 mSv


●● A.L.A.R.A
Answer: As Low As Reasonably Achievable


●● Who does Compton scatter effect the most?
Answer: rad tech


●● Who does the photoelectric effect?