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ABOS Orthopaedic Surgery Board Certification Practice Test

140 questions available

The American Board of Orthopaedic Surgery (ABOS) Board Certification is the definitive credential signifying a surgeon's mastery of the knowledge, skills, and judgment essential for the independent practice of orthopaedic surgery. It is a rigorous, multi-stage process that begins with successful completion of an ACGME-accredited residency and culminates in a comprehensive examination of both written and oral components. Achieving ABOS Board Certification validates a surgeon's commitment to the highest standards of patient care, clinical excellence, and lifelong learning. It is not merely an entry-level credential but a career-long commitment to maintaining competence through the Maintenance of Certification (MOC) program. For healthcare institutions, patients, and peers, this certification serves as the gold standard of professional qualification, distinguishing certified surgeons as having met nationally recognized benchmarks for safe and effective orthopaedic practice. It is a critical milestone that transitions a surgeon from residency training to autonomous, board-certified practice.

Certification exam
140 Exam questions
Practice bank
140 Practice Questions
2 hours 20 minutes Practice Time
Start Practice
The bank 140 Practice questions checked against the official objectives.
qf-import140 practice questionsBlueprint 1.0Bank updated 2026-05-04

Sample Questions

Try a few questions to see what the full exam is like.

Practice Management, Imaging, Perioperative

A clean primary total joint arthroplasty patient without severe beta-lactam allergy or MRSA colonization needs perioperative prophylaxis. Which antibiotic is standard?

Sports Medicine and Arthroscopy

A young athlete has a noncontact pivot injury, hemarthrosis, and positive Lachman without a firm endpoint. Which structure is most likely torn?

Practice Management, Imaging, Perioperative

A patient after long-bone fracture fixation has sudden dyspnea and pleuritic chest pain. CT angiography confirms PE. What is the key management balance?

Adult Reconstruction (Hip and Knee Arthroplasty)

A 70-year-old has persistent drainage 8 days after TKA despite dressing changes. What is the best next step?

Adult Reconstruction (Hip and Knee Arthroplasty)

A 76-year-old has a Vancouver B2 periprosthetic femur fracture around a loose cementless stem. What is the preferred reconstruction principle?

Why This Certification Opens Doors

ABOS Board Certification is the single most significant credential for career advancement and professional recognition in orthopaedic surgery. It is a prerequisite for hospital privileges at most major medical centers, a key factor in payer credentialing, and a fundamental expectation of patients seeking expert care. Certification elevates a surgeon's professional standing, enhances credibility with colleagues, and is often correlated with leadership opportunities within academic medicine, hospital administration, and national orthopaedic societies. In an increasingly competitive landscape, it differentiates the surgeon as dedicated to the pinnacle of professional standards, directly impacting practice growth, referral patterns, and trust within the medical community.

Exam Blueprint

Each domain is weighted to match the real certification exam, so a full practice simulation predicts your result.

01Trauma (Adult and Pediatric)
16%
02Adult Reconstruction (Hip and Knee Arthroplasty)
14%
03Sports Medicine and Arthroscopy
14%
04Hand and Upper Extremity
10%
05Spine
10%
06Basic Science (Anatomy, Biomechanics, Healing)
8%
07Foot and Ankle
8%
08Pediatric Orthopaedics
8%
09Practice Management, Imaging, Perioperative
6%
10Tumor and Metabolic Bone Disease
6%

Exam Details ABOS-PART-I

Exam Code ABOS-PART-I
Vendor qf-import
Exam questions 140

Frequently Asked Questions

What are the eligibility requirements to sit for the ABOS Board Certification exams?

Candidates must have graduated from an ACGME-accredited orthopaedic surgery residency program, possess a full and unrestricted medical license, and have completed a minimum of 22 months of clinical practice after residency. This practice period must include the collection of a complete, sequential 6-month case list, which forms the basis for the oral examination. Specific deadlines and application details are published annually by the ABOS.

What is the structure and format of the two-part examination process?

The certification process involves two distinct examinations. First, the Computer-Based Written Examination consists of multiple-choice questions covering the entire orthopaedic surgery curriculum, including basic science and all clinical subspecialties. Upon passing the written exam, candidates advance to the Oral Examination, which is a defense of the surgical cases from their submitted 6-month case list before a panel of expert examiners, focusing on surgical indications, techniques, complications, and outcomes.

How does the Maintenance of Certification (MOC) program work?

ABOS Board Certification is time-limited, typically valid for 10 years. The MOC program is a continuous cycle requiring diplomates to maintain medical licensure, engage in lifelong learning through Continuing Medical Education (CME), undergo periodic practice assessment (e.g., peer and patient reviews), and pass a secure recertification examination every decade. This ensures certified surgeons remain current with the evolving standards of orthopaedic care.

What is the pass rate for the ABOS certification exams?

Pass rates vary annually but are historically rigorous, reflecting the high standard of the examination. First-time takers from ACGME-accredited programs typically see higher pass rates for the written exam, often reported in the range of 70-85%. The oral examination pass rate is generally lower, emphasizing its role in assessing applied clinical judgment. The ABOS publishes detailed statistics annually on candidate performance.

Can I subspecialize and still be ABOS Board Certified?

Yes. ABOS Board Certification in Orthopaedic Surgery is the primary, broad-based certification. Many surgeons then pursue additional Subspecialty Certification (CAQ) in areas like Hand Surgery, Sports Medicine, or Orthopaedic Trauma, which involves further fellowship training and examination. The primary ABOS certification is a foundational requirement for all orthopaedic surgeons, regardless of subsequent subspecialization.