American Board for Occupational Health Nurses, Inc. (ABOHN) · ABOHN Certification Handbook, Rev. 2026, Appendix A: COHN Examination Content Outline. The currently linked handbook contains reference lists effective September 1, 2026–August 31, 2027. Appendix A does not state a separate effective date. The workbook label Occupational Health Nursing (COHN) maps to the Certified Occupational Health Nurse examination; 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.

• ABOHN Certification
• ABOHN Handbooks
• ABOHN Certification Handbook, Rev. 2026
• 2023 COHN Practice Analysis Executive Summary
• NIOSH: Heat-related Illnesses
• NIOSH: Bloodborne Infectious Disease Risk Factors
• NIOSH: Diagnosing Work-related Asthma
• CDC: Clinical Guidance for Carbon Monoxide Poisoning
• CDC: Fundamental Elements Needed to Prevent Transmission of Infectious Agents
• AHRQ: Use the Teach-Back Method, Tool 5
• EEOC: Disability-Related Inquiries and Medical Examinations of Employees
• EEOC: Employer-Provided Leave and the Americans with Disabilities Act
• U.S. Department of Labor: FMLA Frequently Asked Questions
• OSHA 29 CFR 1910.1030: Bloodborne Pathogens
• NIOSH: Skin Exposures and Effects
• NIOSH: Hierarchy of Controls
• OSHA 29 CFR 1910.95: Occupational Noise Exposure
• OSHA 29 CFR 1910.134: Respiratory Protection
• OSHA 29 CFR 1904.7: General Recording Criteria
• OSHA 29 CFR 1910.1200: Hazard Communication
• CDC Principles of Epidemiology: Morbidity Frequency Measures
• CDC: Design Training—Learning Objectives
• CDC Program Evaluation Framework, 2024
• U.S. Office of Personnel Management: Employee Assistance Programs
• CDC: Responding to HBV Exposures in Health Care Settings
• CDC: Guidelines for Health Care Personnel Exposed to Hepatitis C Virus
• CDC: Clinical Testing Guidance for Tuberculosis—Health Care Personnel
• AHRQ: Address Language Differences, Tool 9
• AHRQ: Consider Culture, Tool 10
• CDC: Infection Control in Healthcare Personnel—Medical Evaluations
• NIOSH: Blood Lead Level Guidance
• OSHA 29 CFR 1910.1020: Access to Employee Exposure and Medical Records
• DOT 49 CFR 40.123: Medical Review Officer Responsibilities
• DOT 49 CFR 40.137: Basis for Verifying Specified Drug-Test Results
• NIOSH: Ergonomics and Work-Related Musculoskeletal Disorders
• OSHA 29 CFR 1910.38: Emergency Action Plans
• CDC Workplace Health Model