Practise ABHP Certification Examination (Certified Health Physicist, CHP) 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
American Board of Health Physics (ABHP) · June 2026 ABHP Prospectus and the current online Examination Preparation Guide, Section 4: Examination Topics—Role Delineation. The online outline displays no separate version or effective date. Certified Health Physicist (CHP) is the credential awarded through the ABHP certification process; the examination comprises Part I and Part II.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- American Board of Health Physics Prospectus—June 2026
- ABHP Examination Preparation Guide
- How to Get Certified
- Useful Equations, Formulae, and Constants—Version 014, July 2020
- 10 CFR Part 20—Standards for Protection Against Radiation
- 10 CFR 20.1003—Definitions
- 10 CFR 20.1201—Occupational Dose Limits for Adults
- 10 CFR 20.1208—Dose Equivalent to an Embryo/Fetus
- 10 CFR 20.1301—Dose Limits for Individual Members of the Public
- 10 CFR 20.1502—Conditions Requiring Individual Monitoring
- 10 CFR 20.1703—Use of Individual Respiratory Protection Equipment
- 10 CFR 19.12—Instruction to Workers
- DOE-HDBK-1122-2009, Revised 2013—Radiological Control Technician Training, Part 5
- DOE-HDBK-1122-2009—Radiological Control Technician Training, Part 3
- DOE-HDBK-1122-2009—Radiological Control Technician Training, Part 4
- MARLAP Chapter 18—Laboratory Quality Control
- MARLAP Chapter 19—Measurement Uncertainty
- MARLAP Chapter 20—Detection and Quantification Capabilities
- EPA Radiation Basics
- EPA Radiation Health Effects
- EPA Radiation Terms and Units
- EPA Radionuclide Basics: Iodine
- CDC How to Self-Decontaminate after a Radiation Emergency
- CDC ALARA—As Low As Reasonably Achievable Recommendations
- CDC Just In Time Radiation Training for Hospital Clinicians—Archived Transcript
- OSHA Technical Manual, Section III, Chapter 6—Laser Hazards
- CNSC REGDOC-2.4.3—Nuclear Criticality Safety
ABHP Certification Examination (Certified Health Physicist, CHP)
Start with 20 free questions, then review the explanations and any topics you missed.
A prepared sample produces 1,000 counts per minute, including a background of 100 counts per minute. The calibrated efficiency is 0.25 count per disintegration for this sample and counting geometry. No additional yield or emission correction is needed. What is the estimated activity?
ABHP Certification Examination (Certified Health Physicist, CHP)
Flashcards
Measurements and Instrumentation
1.7 Instrument Calibration, Maintenance, and Performance Testing—Dead Time
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