IRRSP SECOND EDITION BIG TEST 2024|ACTUAL COMPLETE EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)ALREADY GRADED A+. The radiographers main responsibility is to: Implement safety produces One cause of overexposures is: not following safety practices Who discovered x-rays? Wilhelm Roentgen When was x-rays discovered? November 8, 1895 Who coined the term "Radioactivity"? Marie Curie Who discovered radioactivity? Henri Becquerel Which pioneer discovered that radioactive material has a half-life? Ernest Rutherford How long after news of X-rays reached the United States were they first used? 4 days The main cause of overexposures of radiographic personnel is: not following established procedures Mistakes leading to an overexposure can be caused by: long hours, time constrictions, and weatherthe atomic number represents the: number of protons in the nucleus of an atom. The atomic weight represents the: total number of protons and neutrons in the nucleus of an atom. An isotope is defined as an: element with the same atomic number, but different atomic weight as the base element. The two basic type of radiation are: particulate and eletromagnectic As the wavelength of an X-ray or gamma ray increases, the penetrating ability of the radiation would: decrease Particulate radiation includes: alpha, beta, neutrons, and fission fragments