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Free NBME CBSE Exam Prep

NBME Comprehensive Basic Science Examination

Prepare for the NBME CBSE exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.

Quick Facts

20
Chapters
61
Sections
$0
Our Cost
Updated January 2026
Start Chapter 1
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Your Study Path

NBME NBME Medical School Assessments License: Complete Roadmap

Follow this path to organize your licensing and exam preparation

1

Phase 1: Blueprint MappingYou are here

Map weak areas to NBME system ranges and task competencies before starting mixed practice.

20
hours
2

Phase 2: Mechanism Review

Rebuild high-yield anatomy, physiology, pathology, pharmacology, microbiology, immunology, genetics, and biochemistry mechanisms.

70
hours
3

Phase 3: Mixed Timed Blocks

Use integrated blocks to practice Step 1-style item interpretation, pacing, and cross-system reasoning.

45
hours
4

Phase 4: Score-Report Remediation

Target low-performing systems and competency domains using CBSE or self-assessment feedback.

35
hours
Estimated total study time
170 hours
That's about 17 weeks at 10 hours/week

Can You Take the NBME CBSE Exam?

Check if you meet the basic eligibility requirements

Age
Education
Usually medical students or examinees sponsored by a school, residency program, or other organization ordering the exam
Experience
No separate national postgraduate experience requirement; timing depends on the sponsoring institution
Additional Requirements
  • Administered securely by schools or at Prometric test centers when ordered by the institution
  • Remote administration is not offered for Comprehensive Basic Science according to the NBME fee page
  • The official CBSE is not a public practice exam; students seeking self-study practice usually use NBME self-assessments and school-approved resources

NBME CBSE Quick Facts

Time to Get Licensed

Often 6-12 weeks of dedicated CBSE-focused review after core basic science coursework, depending on school requirements and baseline readiness

From start to license in hand

Exam Provider

NBME, with secure school-based web administration or Prometric test-center administration

In-Person Only
Schedule Your Exam

Retake Policy

Retake access, timing, and score thresholds are set by the sponsoring school or program rather than a single national CBSE policy.

Total Cost Breakdown

Total Estimated CostInstitution-dependent; NBME lists per-examinee local and Prometric fees
Why Choose Us

Free NBME CBSE Prep Tools

Reported exam pass rate: NBME does not publish a universal CBSE pass rate; institutions set score standards and interpretation policies.. Check the exam sponsor for the latest official figure.

100 Original CBSE-Style Questions

Integrated basic science practice with detailed correct and incorrect answer explanations.

Mechanism-First Review

Questions emphasize Step 1-style mechanisms rather than clerkship management.

2026 Updated

Metadata reflects current NBME CBSE outline, timing chart, and published fee periods.

Free Access

Use the bank for focused review before formal institutional readiness testing.

Compare:
Kaplan $300+Achievable $200+OpenExamPrep $0

What You'll Study

20 chapters covering the exam topics in this guide

NBME CBSE Exam Details

NBME Comprehensive Basic Science Examination

Administered by National Board of Medical Examiners (NBME)

Official Source
No universal passing score; schools and programs set their own CBSE standards and use score reports to gauge USMLE Step 1 readiness
Passing Score
200
Questions
5
Hours
$61 local administration / $151 Prometric administration through June 30, 2026; $62 / $152 from July 1, 2026 through June 30, 2027
Exam Fee
Study time: NBME does not publish an official CBSE study-hour recommendation
Prerequisites: Typically ordered and administered by a medical school or sponsoring program in a secure proctored setting
Valid for: Used by schools and programs for readiness and progress decisions; score-use policies are institution-specific

Exam Content Breakdown

Based on the official National Board of Medical Examiners (NBME) content outline

Human Development1-3%

Normal age-related findings and care of the well patient

Blood & Lymphoreticular/Immune Systems9-13%

Hematology, lymphoreticular disease, and immune mechanisms integrated with pathology and microbiology

Behavioral Health & Nervous Systems/Special Senses10-14%

Neuroscience, behavior, psychiatry, sensory systems, and related pharmacology

Musculoskeletal, Skin & Subcutaneous Tissue8-12%

Musculoskeletal, connective tissue, dermatology, inflammation, and injury mechanisms

Cardiovascular System7-11%

Cardiac physiology, congenital and acquired disease, vascular pathology, and therapeutics

Respiratory & Renal/Urinary Systems11-15%

Pulmonary mechanics, gas exchange, nephron physiology, acid-base balance, and renal pathology

Gastrointestinal System6-10%

GI, hepatobiliary, pancreatic, nutrition, microbiology, and metabolic disease mechanisms

Reproductive & Endocrine Systems12-16%

Endocrine signaling, reproductive physiology, pregnancy, development, and endocrine pathology

Multisystem Processes & Disorders8-12%

Shock, infection, inflammation, neoplasia, immune disease, and cross-system mechanisms

Biostatistics & Epidemiology/Population Health4-6%

Study design, screening, diagnostic test interpretation, epidemiology, and population health

Social Sciences: Communication and Interpersonal Skills6-9%

Ethics, communication, professionalism, behavior, and patient-centered decision-making

What's Included

20 Chapters

Complete exam coverage

Practice Quizzes

With detailed explanations

Free to Start

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What's Next After the NBME CBSE?

After passing the NBME CBSE, you can pursue these career paths

NBME CBSE Exam FAQ

Official National Board of Medical Examiners (NBME) Resources

Verify information with these official sources

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