100+ Free ABC CPO Practice Questions
Pass your Certified Prosthetist/Orthotist (CPO) exam on the first try — instant access, no signup required.
Loading questions...
Key Facts: ABC CPO Exam
~165
Written Exam Questions
ABC exam information
4 hours
Written Exam Time
ABC exam information
$575
Written Exam Fee
ABC exam information
5 years
Certification Cycle
ABC certification maintenance
60-70%
First-Time Pass Rate
ABC published data
ABC administers the CPO written certification exam with approximately 165 multiple-choice questions in 4 hours. The exam fee is $575 for the written component. Candidates must also pass a clinical simulation exam. ABC uses criterion-referenced scoring. Certification is valid for 5 years with continuing education requirements.
About the ABC CPO Exam
The ABC CPO exam certifies prosthetist/orthotists in prosthetic and orthotic device design, fitting, biomechanics, patient assessment, materials science, gait analysis, amputee rehabilitation, and clinical decision-making. ABC exams are delivered at Pearson VUE test centers.
Questions
100 scored questions
Time Limit
4 hours
Passing Score
Scaled score (criterion-referenced)
Exam Fee
$575 (American Board for Certification in Orthotics, Prosthetics & Pedorthics (ABC))
ABC CPO Exam Content Outline
Prosthetics
Lower and upper extremity prosthetic design, socket fabrication, component selection, and alignment
Orthotics
AFOs, KAFOs, spinal orthoses, foot orthoses, and upper extremity orthoses
Biomechanics
Gait cycle analysis, force systems, ground reaction forces, and energy expenditure
Patient Assessment
Clinical evaluation, functional classification, outcome measures, and rehabilitation planning
Materials & Fabrication
Thermoplastics, carbon fiber, lamination, vacuum forming, and CAD/CAM technology
How to Pass the ABC CPO Exam
What You Need to Know
- Passing score: Scaled score (criterion-referenced)
- Exam length: 100 questions
- Time limit: 4 hours
- Exam fee: $575
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
ABC CPO Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the ABC CPO exam?
The ABC CPO written exam consists of approximately 165 multiple-choice questions with a 4-hour time limit. Candidates must also pass a clinical simulation exam.
What score do I need to pass the ABC CPO exam?
ABC uses criterion-referenced scoring determined through a psychometric standard-setting process. There is no fixed passing percentage.
What topics are tested on the ABC CPO exam?
The CPO exam covers prosthetics (30-35%), orthotics (25-30%), biomechanics (15-20%), patient assessment (10-15%), and materials/fabrication (10-15%) as outlined in the ABC content specifications.
How much does the ABC CPO exam cost?
The ABC CPO written exam fee is $575. The clinical simulation exam has an additional fee. Total certification costs include both components.
How should I study for the ABC CPO exam?
Focus on prosthetic and orthotic device knowledge first (highest weight). Master gait analysis and biomechanical principles. Study socket design, component selection, and alignment for all amputation levels. Practice clinical case-based scenarios.
What are the eligibility requirements for the ABC CPO exam?
Candidates need a master's degree from a CAAHEP-accredited prosthetics/orthotics program and completion of an NCOPE-accredited residency. Check ABC website for current requirements.