Practise Certified in Public Health (CPH) Examination 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

National Board of Public Health Examiners (NBPHE) · Current NBPHE-linked CPH Exam Content Outline, checked against the October 2026 Candidate Handbook. The outline landing page reports an August 1, 2024 update following the 2022 job task analysis; the currently linked outline does not state a separate revision date. Its tenth domain is Health Outcomes and Population Perspectives, consistent with the October 2026 handbook. Verified as of October 19, 2026.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

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Certified in Public Health (CPH) Examination

Start with 20 free questions, then review the explanations and any topics you missed.

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A cohort contains 240 exposed and 360 unexposed adults, all initially free of a specified illness. Everyone completes six months of follow-up. There are 48 new cases among exposed adults and 18 among unexposed adults. What is the six-month risk ratio?

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