IGRT Study guides, Class notes & Summaries

OCN CERTIFICATION REVIEW 2019 WITH COMPLETE SOLUTIONS 100% Xerostomia - correct answer Dryness of the mouth caused by reduction of saliva from radiation to the salivary glands Mylosuppression - correct answer reduction in bone marrow function Preventive surgery - correct answer Done to remove body tissue that is likely to become cancer-even if there are no signs of cancer at the time Diagnostic surgery (biopsy) - correct answer Removal of all or part of a suspected lesion for examina...

IMRT stands for Intensity Modulated Radioactive Treatment. - ANS False VMAT is rotational IMRT. - ANS True The best energy for IMRT is: - ANS 6MV Neutrons are produced in the accelerator at energies of: - ANS 15MV Neutrons are a planning and shielding concern with energies of what and higher? - ANS 15 MV The best energy to use for IMRT to ensure the minimal penumbra is: - ANS 6MV IMRT plans with greater than what number of beams show little gain in...

IMRT stands for Intensity Modulated Radioactive Treatment. - ANS False VMAT is rotational IMRT. - ANS True The best energy for IMRT is: - ANS 6MV Neutrons are produced in the accelerator at energies of: - ANS 15MV Neutrons are a planning and shielding concern with energies of what and higher? - ANS 15 MV The best energy to use for IMRT to ensure the minimal penumbra is: - ANS 6MV IMRT plans with greater than what number of beams show little gain in...

external beam radiation therapy (EBRT) correct answer: uses ionizing radiation from a machine to a specific site in the body Brachytherapy (internal radiation) correct answer: -radiation implant placed into a body -allows higher dose of radiation -safer for surrounding tissue Radiopharmaceutical Therapy correct answer: uses unsealed sources of radiation to treat cancer systemically 3D-CRT correct answer: uses specialized CT scanning and planning system to deliver a prescribed dose...

Chapter 1: Cancer: An Overview Washington: Washington and Leaver’s Principles and Practice of Radiation Therapy, 5th Edition MULTIPLE CHOICE 1. Knowledge of cancer dates back to which of the following? a. 1600 BC Egypt b. 1600 AD England c. 400 BC Greece d. 1900 AD Germany ANS: A The first known observations of cancer date back to 1600 BC Egypt. 2. Which of the following is not a term for genes involved in the cancer process? a. Anti-oncogenes b. Oncogenes c. Proto-oncogenes...