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Pennsylvania Occupational Health Nurse Exam 2025/2026 – Practice Questions & Verified Answers with Detailed Rationales | COHN/COHN-S Test Prep

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This comprehensive practice exam is designed for registered nurses preparing for the Pennsylvania Occupational Health Nurse Examination and the national Certified Occupational Health Nurse (COHN) or COHN-Specialist (COHN-S) credentials offered by the American Board for Occupational Health Nurses (ABOHN) . The content is updated for the 2025/2026 testing cycle and features expertly designed, exam-style, multiple-choice questions that closely mirror the format and rigor of the actual certification exam . This resource covers the full scope of knowledge required for occupational health nursing practice, including: Occupational Health Principles: Employee wellness programs, health promotion, disease prevention strategies, and workplace health risk appraisals. Regulatory Compliance: OSHA regulations, the Bloodborne Pathogens Standard (29 CFR 1910.1030), Hazard Communication (Right-to-Know), and record-keeping requirements (OSHA 300 logs) . Clinical Assessment and Case Management: Fitness-for-duty evaluations, return-to-work planning, workers' compensation, injury causation assessment, and rehabilitation coordination . Workplace Hazard Control: The hierarchy of controls (Elimination → Engineering → Administrative → PPE), ergonomic risk factors, industrial hygiene, chemical exposure routes, and biological monitoring . Environmental and Occupational Exposures: Inhalation as the most common route of chemical exposure, silicosis, asbestos, noise-induced hearing loss, heat stress, and bloodborne pathogen post-exposure protocols . Professional Practice and Ethics: Confidentiality (HIPAA), beneficence, conflict of interest, informed consent, and the legal responsibilities of occupational health nurses . Each question is paired with a verified correct answer and a detailed rationale, explaining the underlying clinical principle or regulatory standard to reinforce learning and improve test-taking confidence . This resource serves as an effective study aid for professionals pursuing PA occupational health nurse certification or ABOHN credentials (COHN/COHN-S/CM) . Sample Questions (from the exam): The primary goal of an occupational health nurse’s wellness program is to: A. Reduce company insurance premiums B. Promote employees’ overall health and prevent disease C. Ensure legal compliance only D. Monitor absenteeism Answer: B Rationale: Occupational health nurses focus on employee wellness and disease prevention, not solely cost or compliance . Which immunization is most critical for healthcare workers exposed to bloodborne pathogens? A. Influenza B. MMR C. Hepatitis B D. Varicella Answer: C Rationale: Hepatitis B vaccination prevents occupational exposure to bloodborne pathogens and is a key requirement for healthcare workers . The most common route of chemical exposure in industry is: A. Oral ingestion B. Inhalation C. Skin contact only D. Eye contact only Answer: B Rationale: Inhalation is the most common route of occupational chemical exposure, as gases, vapors, fumes, and dusts are easily inhaled in industrial settings . Which OSHA standard regulates bloodborne pathogens? A. Noise standard B. 29 CFR 1910.1030 C. Fire safety standard D. Hazard communication only Answer: B Rationale: OSHA's Bloodborne Pathogens Standard (29 CFR 1910.1030) sets requirements to protect workers from exposure to bloodborne infectious materials . The most effective way to reduce noise-induced hearing loss is: A. Earplugs after symptoms appear B. Engineering controls to reduce noise exposure C. Annual audiograms only D. Supervisory enforcement Answer: B Rationale: Engineering controls are the most effective method to reduce noise exposure, following the hierarchy of controls (Elimination → Engineering → Administrative → PPE)

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PENNSYLVANIA OCCUPATIONAL HEALTH NURSE EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025|2026 Q&A |
INSTANT DOWNLOAD PDF
1. The primary goal of an occupational health nurse’s wellness program is to:
A. Reduce company insurance premiums
B. Promote employees’ overall health and prevent disease
C. Ensure legal compliance only
D. Monitor absenteeism
Rationale: Occupational health nurses focus on employee wellness, not solely cost
or compliance.
2. Which immunization is most critical for healthcare workers exposed to
bloodborne pathogens?
A. Influenza
B. MMR
C. Hepatitis B
D. Varicella
Rationale: Hepatitis B vaccination prevents occupational exposure to bloodborne
pathogens.
3. The best method to prevent musculoskeletal injuries in employees who lift
heavy objects is:
A. Limiting work hours
B. Ergonomic training and mechanical aids
C. Mandatory stretching
D. Increasing supervision
4. For employees with high stress, which intervention is most effective?
A. Medication only
B. Stress management programs
C. Disciplinary action
D. Ignoring minor complaints

,5. Which is a primary prevention strategy in occupational health?
A. Early diagnosis of disease
B. Vaccination programs
C. Rehabilitation
D. Case management
6. Routine vision screening in a workplace is considered:
A. Tertiary prevention
B. Secondary prevention
C. Primary prevention
D. None of the above
7. Which component is essential in an occupational health fitness-for-duty
evaluation?
A. Marital status
B. Favorite hobbies
C. Job requirements and employee health status
D. Political affiliation
8. Smoking cessation programs at work are an example of:
A. Tertiary prevention
B. Secondary prevention
C. Primary prevention
D. Hazard elimination
9. The most effective way to reduce noise-induced hearing loss is:
A. Earplugs after symptoms appear
B. Engineering controls to reduce noise exposure
C. Annual audiograms only
D. Supervisory enforcement
10. An employee at risk for repetitive strain injury should:
A. Continue work and report pain later
B. Participate in ergonomic interventions and early reporting
C. Quit the job
D. Only rely on personal protective equipment

, 11–20: Occupational Health Practice & Case Management
11. The nurse’s first action in an acute chemical exposure is:
A. Documenting incident
B. Removing the employee from exposure and initiating first aid
C. Reporting to supervisor
D. Calling OSHA later
12. Which activity is part of occupational case management?
A. Payroll management
B. Coordinating medical care and return-to-work planning
C. Marketing
D. Legal deposition
13. Return-to-work decisions should be based primarily on:
A. Employee preference
B. Medical assessment and job demands
C. Seniority
D. Past attendance
14. A worksite health risk appraisal should include:
A. Social media activity
B. Lifestyle behaviors, family history, and occupational exposures
C. Financial status
D. None of the above
15. Which factor increases risk for work-related musculoskeletal disorders?
A. Sedentary job
B. Repetitive motion with force
C. Regular breaks
D. Low stress
16. Documentation in occupational health records must be:
A. Casual and narrative
B. Accurate, timely, and confidential
C. Minimal to save time
D. Shared freely with supervisors

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July 21, 2026
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2025/2026
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