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ERHS 450 Exam 3 Vocab 9 Questions & Answers 2024/2025
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ERHS 450 Exam 3 Vocab 9 Questions & Answers 2024/2025
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ERHS 450 Exam 3 Vocab 9 Questions &Answers 2024/2025
brachytherapy - ANSWERSRadioactive sources placed very close or in contact with the target tissue
Protons - ANSWERSTheir Bragg-Peak is something to brag about because it results in rapid dose drop-off
after the tumor
Palliative - ANSWERSRadiation therapy with the goal of relieving pain and dysfunction in patients with
advanced disease
tomotherapy - ANSWERSRadiation therapy delivered from 360 degrees in a machine much like a CT
scanner but with higher energy photons
Cyberknife - ANSWERSA robotic form of stereotactic radiation therapy
Carbon - ANSWERSThis heavy particle has great dosimetric properties like protons and may also cause
biologic damage to the DNA that is very difficult to repair
Forward - ANSWERSType of radiation planning where the dosimetrist tries various beam arrangements
to try to achieve an even dose distribution to the tumor and spare normal tissues if possible
Gamma-Knife - ANSWERSOver 200 small cobalt sources that direct stereotactic radiation therapy to brain
tumors
Inverse - ANSWERSTreatment planning that uses artificial intelligence to "dose paint" allowing
substantial sparing of normal tissues
Electrons - ANSWERSShallow penetration of these particles allow sparing on underlying tissues such as
lungs or kidneys
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