COHN-S Study Plan: 8-Week Schedule
Week-by-Week Study Guide for the ABOHN COHN-S Exam
This 8-week plan prepares occupational health nurses for the ABOHN COHN-S certification exam.
Exam Overview
- •Questions: 160 (135 scored + 25 pretest)
- •Time: 3 hours
- •Eligibility: Bachelor’s degree + RN + 3,000 hours OHN experience
- •Domains: Clinical Practice (45%), Case Management (10%), Health and Safety (17%), Management (22%), Research (6%)
Week 1-2: Clinical Practice and Case Management
- •Occupational health assessment and surveillance
- •Work-related injury/illness evaluation and treatment
- •Workers’ compensation and return-to-work management
- •Disability management and ADA compliance
- •Medical-legal documentation
Week 3-4: Health and Safety — Industrial Hygiene
- •Chemical, biological, and physical hazards
- •Exposure limits: PELs, TLVs, STELs
- •Noise monitoring and hearing conservation
- •Ergonomics and musculoskeletal disorder prevention
- •PPE selection and respiratory protection
Week 5-6: Management — Program Development and Leadership
- •Occupational health program design and evaluation
- •Budgeting and resource management
- •Quality metrics and outcomes measurement
- •Regulatory compliance (OSHA, EPA, ADA, FMLA)
- •Health promotion and wellness program development
Week 7: Research and Professional Issues
- •Evidence-based practice in occupational health
- •Research design and data interpretation
- •Ethical considerations in OHN practice
- •Professional development and continuing education
Week 8: Practice Exams and Final Review
Frequently Asked Questions
What is the difference between the COHN and COHN-S exams?
Both have 160 questions and 3 hours. The COHN-S has more management/leadership content (22% vs 10%) and less clinical practice content (45% vs 54%). The COHN-S requires a bachelor’s degree.
How should I prepare for the COHN-S?
Review the ABOHN Candidate Handbook and Test Blueprint. Study the AAACN Core Curriculum for Occupational and Environmental Health Nursing. Take the COHN-S Self-Assessment Test (CSAT) from ABOHN.
What is the passing score for the COHN-S?
ABOHN uses a scaled scoring system. The specific passing score is not publicly disclosed.
Frequently Asked Questions
What is the COHN-S exam?
The COHN-S is a standardized exam. For a comprehensive study guide with practice questions and full-length exams, see our COHN-S Study Guide.
How should I prepare for the COHN-S?
Start with a structured study plan, use official exam blueprints, and practice with realistic exam questions. Our COHN-S Study Guide covers the complete exam content with detailed rationales.
Where can I find COHN-S practice questions?
Our COHN-S Study Guide includes full-length practice exams with detailed answer rationales covering every content area on the actual exam.
Related Resources
Ready to Take the Next Step?
Our COHN-S Study Guide covers every content area with practice questions and detailed answer rationales.