ARRT questions with correct answers

a cells maturity and rate of division CORRECT ANWER Proliferation what affects radiosensitivity the most? CORRECT ANWER Proliferation what does LET stand for? CORRECT ANWER Linear Energy Transfer describe LET CORRECT ANWER the rate at which energy is transferred to tissue as radiation (x rays, gamma rays, alpha particles, beta particles, fast neutrons) passes through; the more energy that is transferred, the more ionizations occur, which results in more biological damage; x rays and gamma rays are considered low LET radiations whereas Alpha, Beta, and Neutrons are considered high LET radiations what does RBE stand for? CORRECT ANWER Relative Biological Effectiveness RBE describes the capability of various radiations to produce a particular biological effect; biological damage produced by radiation increases as the LET of radiation increases; RBE is affected by type of radiation, dose rate, and tissue type CORRECT ANWER RBE describes the capability of various radiations to produce a particular biological effect; biological damage produced by radiation increases as the LET of radiation increases; RBE is affected by type of radiation, dose rate, and tissue type