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How Our Practice Test Works?

Study wherever, whenever with these quiz types:

Pick a Mode

Pick a Mode

You can choose Exam Mode (timed 90-minute simulation) or Study Mode for preparation.

Realistic Mix

Realistic Mix

Questions reflect both multiple-choice and scenario/performance-style prompts aligned to COHN objectives.

Detailed Explanations

Detailed Explanations

Every question includes a clear explanation, so you know why an answer is correct.

Domain Analytics

Domain Analytics

See strengths/weaknesses by the domains & sub-topics to focus your revision.

Reattempts

Reattempts

Retake sets to improve your speed and accuracy; watch your score trend toward the benchmark.

Exam Simulator

Exam Simulator

Get a feel for the real exam with our American Board for Occupational Health Nurses, Inc. (ABOHN) practice test.

Why Choose PrepHOW for COHN Practice Questions

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.

Real Exam Feel

Exam/Study modes, question flagging, and instant or end-of-exam feedback.

Smarter Analytics, Faster Improvement

Trend charts so you can see when you're consistently above the passing scrore.

Quality You Can Trust

Clear, teach-back explanations with why the correct answer is right and why others aren't.

Frequently Asked Questions

What is the COHN certification and why should I pursue it?

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.

What are the eligibility requirements for taking the COHN exam?

  • Active, unrestricted RN license.
  • At least 3,000 hours of occupational health nursing practice in the last five years (or an acceptable academic alternative).
  • Other criteria as defined by ABOHN (educational credentials, documentation).

What major content areas are covered on the COHN exam?

The exam is designed to assess core competencies in occupational health nursing, typically covering four main areas:

  • Clinical Practice and Case Management (e.g., injury/illness assessment, worker's compensation, return-to-work).
  • Risk and Compliance (e.g., hazard assessment, ergonomics, ethical/legal compliance, OSHA regulations).
  • Program Management and Quality Assurance (e.g., wellness programs, education and training, quality metrics).
  • Operations and Business Management (e.g., scope of services, strategic planning, budgeting).

How long is the exam and what is the passing score?

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.

How should I prepare for the COHN exam?

A comprehensive study plan is crucial. We recommend:

  • Using the official ABOHN Candidate Handbook and Detailed Content Outline as your primary guide.
  • Taking high-quality Prephow COHN practice tests to familiarize yourself with the question format and identify knowledge gaps.
  • Studying core textbooks and resources on occupational health and safety, such as "Fulton's Principles of Occupational Health Nursing."
  • Joining a study group or review course.

How often must I renew and recertify my COHN credential?

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).

How do I apply and schedule the COHN exam?

  • Submit an application via ABOHN, including documentation of licensure and experience.
  • Pay the application fee (nonrefundable) and, once approved, pay the exam fee.
  • After approval, schedule your exam appointment through the testing provider (PSI).
  • There’s a window (often 120 days) within which you must sit the exam; extensions may be possible under certain conditions.