200+ Free NBCE Part I Practice Questions
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Key Facts: NBCE Part I Exam
70-75%
First-Time Pass Rate
NBCE 2024
300
Total Questions
NBCE blueprint
4 hrs
Time Limit
NBCE
47%
Anatomy Content
General + Spinal
$1,100
Exam Fee
NBCE 2025
Pass/Fail
Scoring
Scaled score
The NBCE Part I has a 70-75% pass rate for first-time candidates from accredited chiropractic colleges. The exam contains 300 questions over 4 hours covering six basic science domains. General Anatomy and Spinal Anatomy combined account for 47% of the exam content. Passing Part I is required to progress in chiropractic licensure.
About the NBCE Part I Exam
The NBCE Part I examination tests basic science knowledge required for chiropractic practice. The exam consists of 300 multiple-choice questions covering six domains: General Anatomy (25%), Spinal Anatomy (22%), Physiology (18%), Chemistry (9%), General Pathology (16%), and Microbiology (10%). The exam is computer-based and administered at Prometric testing centers.
Questions
300 scored questions
Time Limit
4 hours
Passing Score
Pass/Fail (scaled)
Exam Fee
$1,100 (NBCE (National Board of Chiropractic Examiners))
NBCE Part I Exam Content Outline
General Anatomy
Upper and lower extremity anatomy, thorax and abdomen, pelvis and perineum, head and neck (excluding spine), neuroanatomy, vascular anatomy
Spinal Anatomy
Vertebral column osteology, intervertebral discs and joints, spinal ligaments, spinal muscles, spinal cord anatomy, spinal nerves and plexuses, meninges
Physiology
Cell physiology, nerve and muscle physiology, cardiovascular and respiratory physiology, renal and GI physiology, endocrine physiology
General Pathology
Cell injury and adaptation, inflammation and healing, immunopathology, neoplasia, genetic disorders, fluid and hemodynamic disorders
Microbiology
Bacteriology, virology, mycology, parasitology, immunology basics, infection control
Chemistry
General chemistry, organic chemistry, biochemistry including enzymes, metabolism, and cellular energetics
How to Pass the NBCE Part I Exam
What You Need to Know
- Passing score: Pass/Fail (scaled)
- Exam length: 300 questions
- Time limit: 4 hours
- Exam fee: $1,100
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
NBCE Part I Study Tips from Top Performers
Frequently Asked Questions
What is the NBCE Part I pass rate?
The NBCE Part I pass rate is approximately 70-75% for first-time candidates from CCE-accredited chiropractic colleges. Pass rates vary by chiropractic college and typically range from 65-85%.
How many questions are on the NBCE Part I?
The NBCE Part I contains 300 multiple-choice questions administered over 4 hours with an optional 15-minute break.
What is the NBCE Part I format?
The exam is computer-based and administered at Prometric testing centers. Questions are distributed across six domains: General Anatomy (25%), Spinal Anatomy (22%), Physiology (18%), General Pathology (16%), Microbiology (10%), and Chemistry (9%).
How is the NBCE Part I scored?
NBCE Part I uses a pass/fail scoring system with a scaled score. Domain-level scoring was eliminated in 2024; the exam is now graded across all domains collectively.
When should I take NBCE Part I?
Most chiropractic students take Part I after completing basic science coursework, typically in their second year of chiropractic college. Check with your state board for specific requirements.
What happens if I fail NBCE Part I?
Candidates can retake the exam. Remedial coursework may be required depending on your chiropractic college policies. There is no limit on the number of attempts, but each requires the full exam fee.