IRRSP QUESTIONS AND ANSWERS FULLY SOLVED

IRRSP QUESTIONS AND ANSWERS FULLY SOLVED radiation absorbed dose (rad) is measured in? TISSUE The acronym RADstands for Radiation Absorbed Dose The Roentgen (R) is measured in? Air The symbol R means? Roentgen The symbol mR means? Millie Roentgen One roentgen or 1R is equal to? 1000 milliRoentgens The term REM stands for? Roentgen Equivalent Man What two terms have the same relationship? Quality factor (QF) & Relative Biological Effectiveness (RBE) The quality factor for x-rays and gamma rays is essentially? 1 The quality factor for alpha (rays) Particles is essentially? 20 Specific activity of radioactive material is measured in? Curies Decay of a radioactive material is influenced primarily by its? Specific Activity Becquerel and curies are units of measurement of? Decay rate Becquerel and curies are units of measurement of? Specific Activity A state which atoms have excess energy and are unstable is known as? Radioactive An elementary particles with a unit negative electrical charge and a mass approximately equal to 1/184th that of a proton. Electrons A positively charged elementary particle with a mass approximately equal to 1840 times that of an electron is know as? 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. Neutrons The area known as the center of an atom is called? Nucleus Any source that disrupts the electrical balance of an atom and results in the production of ions is known as? Ionization Any by product material that is encased in a capsule designed to prevent leakage or escape of the by product material is known as? Sealed Source A tube through which the radioactive source travels when inside a radiographic exposure device S-Tube Survey meters must be calibrated at intervals not to exceed? 6months and/or after instrument servicing except for battery changes A survey Meter must be capable of measuring a range of? 2 to 1000 mR An analog survey meter must be calibrated on each scale at two points approximately? At 33% and 66% of the scales potential The process that results in the removal of orbital electrons from atoms resulting in the formation of iron pairs is called? Ionization The fact that gases bombarded by ionizing radiation become conductors of electrical current make them useful in? Detection equipment