Free ONC 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 ONC.
Diagnostics
ONC Practice Test 1
10 questions · 12 min10 free ONC practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testPractice tests
ONC Practice Test 2
10 questions · 12 min10 free ONC practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testONC Practice Test 3
5 questions · 10 min5 free ONC practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
Start testHow these ONC practice tests match the real exam
The real Orthopaedic Nurse Certified (ONC) Exam has 150 questions. Question types: Multiple choice. Each practice test here uses the same question formats, so you get used to how ONC questions are asked before test day.
The tests draw on every ONC content area, weighted like the official outline:
- Degenerative Disorders (about 38% of the exam)
- Orthopaedic Trauma (about 19% of the exam)
- Sports Injuries (about 11% of the exam)
- Metabolic Bone Disorders (about 9% of the exam)
- Inflammatory Disorders (about 8% of the exam)
- Congenital/Pediatric (about 5% of the exam)
- Musculoskeletal Tumors (about 5% of the exam)
- Neuromuscular (about 4% 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.