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CMD practice questions - frequently asked questions

Plain answers about how CMD Exam Prep works: the exam, the questions, pricing, the free trial, and what you actually get.

No - and you should be wary of any site claiming otherwise. Every question here is original, written to mirror the style, difficulty, and judgment the real CMD exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The CMD exam spans 7 domains: Radiation Physics (14% of the exam); Localization (8% of the exam); Treatment Planning (42% of the exam); Dose Calculation Methods (13% of the exam); Brachytherapy (5% of the exam); Radiation Protection (9% of the exam); Quality Assurance & Standard of Care (9% of the exam). Every practice question on this site is tagged to one of these domains.

The domains are not weighted equally on the exam. By share of the marks: Treatment Planning 42%; Radiation Physics 14%; Dose Calculation Methods 13%; Radiation Protection 9%; Quality Assurance & Standard of Care 9%; Localization 8%; Brachytherapy 5%.

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