Practise Medical Dosimetry Certification Exam with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.
Exam outline and official sources
Medical Dosimetrist Certification Board (MDCB) · Verified as of 2026-10-13 against the current posted Applicant Handbook 2027, covering the January 21–23, 2027 examination. Its test specifications derive from the 2023 Job Task Analysis. MDCB announced the handbook posting for September 4, 2026; a separate blueprint implementation date is not stated. The workbook label 'Certified Dosimetrist (CMD)' maps to this examination and its awarded credential, Certified Medical Dosimetrist (CMD); the assigned slug is preserved.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- MDCB Applicant Handbook
- MDCB Applicant Handbook 2027
- MDCB CMD Test Specifications Matrix—2023 Job Task Analysis
- MDCB Announce Dates for the 2027 Exam
- MDCB Exam Development
- MDCB News
- IAEA Radiation Oncology Physics: A Handbook for Teachers and Students
- IAEA-TECDOC-1560: Dose Reporting in Ion Beam Therapy
- AAPM Report 166: The Use and QA of Biologically Related Models for Treatment Planning
- 21 Years of Biologically Effective Dose
- AAPM TG-203: Management of Radiotherapy Patients with Implanted Cardiac Pacemakers and Defibrillators
- AAPM Report 202: Physical Uncertainties in the Planning and Delivery of Light Ion Beam Treatments
- AAPM Report 85: Tissue Inhomogeneity Corrections for Megavoltage Photon Beams
- AAPM TG-132: Use of Image Registration and Fusion Algorithms and Techniques in Radiotherapy
- AAPM TG-324 Report 91.b: The Management of Respiratory Motion in Radiation Oncology
- AAPM TG-71: Monitor Unit Calculations for External Photon and Electron Beams
- AAPM TG-275: Strategies for Effective Physics Plan and Chart Review in Radiation Therapy
- AAPM Medical Physics Practice Guideline 5.b: Commissioning and QA of Treatment Planning Dose Calculations
- ASTRO Radiation Oncology Incident Learning System
- IAEA Safety Reports Series 47: Radiation Protection in the Design of Radiotherapy Facilities
- IAEA General Methodologies for Control
- AAPM Report 202: Physical Uncertainties in the Planning and Delivery of Light Ion Beam Treatments—Full Report
Medical Dosimetry Certification Exam
Start with 20 free questions, then review the explanations and any topics you missed.
An organ has a contoured volume of 500 cm³. Its cumulative DVH shows that 125 cm³ receives at least 20 Gy. What is its relative V20?
Medical Dosimetry Certification Exam
Flashcards
Treatment Planning
Planning structures: gross and clinical target volumes
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