IRRSP Exam Review Update

IRRSP Exam Review Update radiation absorbed dose (rad) is measured in? - ANS-TISSUE The acronym RADstands for - ANS-Radiation Absorbed Dose The Roentgen (R) is measured in? - ANS-Air The symbol R means? - ANS-Roentgen The symbol mR means? - ANS-Millie Roentgen One roentgen or 1R is equal to? - ANS-1000 milliRoentgens The term REM stands for? - ANS-Roentgen Equivalent Man What two terms have the same relationship? - ANS-Quality factor (QF) & Relative Biological Effectiveness (RBE) The quality factor for x-rays and gamma rays is essentially? - ANS-1 The quality factor for alpha (rays) Particles is essentially? - ANS-20 Specific activity of radioactive material is measured in? - ANS-Curies Decay of a radioactive material is influenced primarily by its? - ANS-Specific Activity Becquerel and curies are units of measurement of? - ANS-Decay rate Becquerel and curies are units of measurement of? - ANS-Specific Activity A state which atoms have excess energy and are unstable is known as? - ANS-Radioactive An elementary particles with a unit negative electrical charge and a mass approximately equal to 1/184th that of a proton. - ANS-Electrons A positively charged elementary particle with a mass approximately equal to 1840 times that of an electron is know as? - ANS-Protons An uncharged elementary particle with a mass nearly equal to that of a proton. A neutron is stable when bond in an atomic nucleus and has a mass approximately equal to 1840 times that of an election. - ANSNeutrons The area known as the center of an atom is called? - ANS-