Study Questions
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Study wherever, whenever with these quiz types:
You can choose Exam Mode (timed 90-minute simulation) or Study Mode for preparation.
Questions reflect both multiple-choice and scenario/performance-style prompts aligned to COHN objectives.
Every question includes a clear explanation, so you know why an answer is correct.
See strengths/weaknesses by the domains & sub-topics to focus your revision.
Retake sets to improve your speed and accuracy; watch your score trend toward the benchmark.
Get a feel for the real exam with our American Board for Occupational Health Nurses, Inc. (ABOHN) practice test.
Train the way you'll be tested. Our platform replicates the real American Board for Occupational Health Nurses, Inc. (ABOHN) experience and turns every attempt into clear, actionable progress-so you waste less time and pass sooner.
Exam/Study modes, question flagging, and instant or end-of-exam feedback.
Trend charts so you can see when you're consistently above the passing scrore.
Clear, teach-back explanations with why the correct answer is right and why others aren't.
The Certified Occupational Health Nurse (COHN) credential is a professional certification that validates your expertise in occupational health nursing. It demonstrates your specialized knowledge in workplace health and safety, worker's compensation, case management, and regulatory compliance. This certification enhances your professional credibility, can lead to career advancement opportunities, and often results in higher earning potential in the field of occupational health.
The exam is designed to assess core competencies in occupational health nursing, typically covering four main areas:
You will have 3 hours to complete the exam. ABOHN uses a scaled scoring system, and the passing score is typically set at 70 on a scale of 100. This is not a simple percentage and is adjusted for the difficulty of each exam form.
A comprehensive study plan is crucial. We recommend:
You must submit an annual renewal application and fee to ABOHN to maintain your active status. Full recertification is required every five years. Recertification typically involves submitting proof of continued OHN practice hours and earning continuing education units (CEUs).