Medical physics certification Medical Physics - Board Exam Part 1 - Radiation Therapy | 109 Questions a nd Answers with Complete Solutions 100% Correct | Lat est Update 202 4 PDD is dependent on the following factors - Answer Increases with beam energy Increases with field size Increases with SSD Decreases with Depth TAR is dependent on the following factors - Answer Increases with beam energy Increases with field size Decreases with depth Independent of SSD Skin dose is dependent on the following factors - Answer Decreases with beam energy Increases with SSD Increases with field size Increases with bolus Increases with oblique incidence The indicated field size on a medical LINAC represents the field length and width in centimeters as defined at the: - Answer At isocenter (100 cm) On a conventional simulator, localizing lasers and ODI checks should be performed when and within what tolerance - Answer Daily, 2mm What is the tolerance for light/radiation field coincidence? - Answer 2mm Photon Dmax (cm) - Co60 - Answer 0.5 Photon Dmax (cm) - 4MV - Answer 1.0 Medical physics certification Photon Dmax (cm) - 6MV - Answer 1.5 Photon Dmax (cm) - 10MV - Answer 2.7 Photon Dmax (cm) - 15MV - Answer 3.0 Photon Dmax (cm) - 18MV - Answer 3.2 Photon Dmax (cm) - 20MV - Answer 3.5 Photon Dmax (cm) - 25MV - Answer 4.0 Electron Dmax (cm) - 6MeV - Answer 1.5 Electron Dmax (cm) - 9MeV - Answer 2.2 Electron Dmax (cm) - 10MeV - Answer 2.5 Electron Dmax (cm) - 12MeV - Answer 2.8 Electron Dmax (cm) - 15MeV - Answer 2.9 Electron Dmax (cm) - 18MeV - Answer 3.2 GTV - Answer Gross Tumor Volume CTV - Answer Clinical Target Volume = GTV + margin for microscopic spread ITV - Answer Internal Target Volume = CTV + Internal margin PTV - Answer Planning Target Volume = ITV + Setup margin PRV - Answer Planning Risk Volume = defined as the OAR plus a margin to account for patient movement and setup uncertainties
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.07. You're not tied to anything after your purchase.
