Rad 400 stuvia 2024 - Study guides, Class notes & Summaries

If the number of fields increases what happens to beam uniformity? - ANSWERit increases If beam energy increases what happens to the beam uniformity? - ANSWERit increases If you increase patient thickness increases what happens to beam energy? - ANSWERit decreases if you increase SSD what happens to penumbra - ANSWERit increases if sdd increases what happens to penumbra - ANSWERit decreases if you increase source size what happens to penumbra - ANSWERit increases if you increas...

___ energy does NOT have sharper penumbra - ANSWERLower Edge of the field represents - ANSWER50% idodose line Which is more difficult to measure 4X4 or 20x20 field size? - ANSWER4x4 because penumbra region is larger Cobalt machine has larger penumbra than LINAC because - ANSWERLarger source size Field size defined at intersection - ANSWER50% isodose line Increase SSD, _________ penumbra? - ANSWERincrease wedge factor, ____ Mu? - ANSWERIncrease Wedge angle - ANSWERangle of ...

Beneficence - ANSWERact of doing good (active process) Nonmaleficance - ANSWERavoidance of evil (passive process) -hippocratic oath "first do no harm" -stronger than beneficence Consequentialism - ANSWERan ethical system that determines the level of goodness of evil from the effect or result of an act Deontology - ANSWERan ethical approach maintaining that right and wrong should be judged according to a universal moral code Patient care partnership - ANSWERrecognizes the imp...