Free COHN Practice Tests (2026)
Start with the free diagnostic to see where you stand, then practice in tutor or timed mode. Full-length simulations match the real COHN.
Diagnostics
COHN Practice Test 1
10 questions · 12 min10 free COHN practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testPractice tests
COHN Practice Test 2
10 questions · 12 min10 free COHN practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testCOHN Practice Test 3
5 questions · 10 min5 free COHN practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testHow these COHN practice tests match the real exam
The real Certified Occupational Health Nurse (COHN) Exam has 160 questions and a 180-minute time limit. Question types: Multiple choice, four options with one correct answer. Each practice test here uses the same question formats, so you get used to how COHN questions are asked before test day.
The tests draw on every COHN content area, weighted like the official outline:
- Clinical Practice (about 31.1% of the exam)
- Case Management (about 22.2% of the exam)
- Risk Management and Prevention (about 14.8% of the exam)
- Compliance (about 14.8% of the exam)
- Program Management (about 17% of the exam)
Use tutor mode to see the explanation after each answer, or timed mode to practise at real exam pace. Every answer comes with an explanation of why it is right and why the other options are wrong.