200+ Free USMLE Step 1 Practice Questions
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Key Facts: USMLE Step 1 Exam
91%
US/Canadian MD Pass Rate
USMLE 2023
280
Maximum Questions
USMLE Content Outline
8h
Total Testing Time
USMLE
7
Question Blocks
USMLE
44-52%
Pathology Content
USMLE Content Description
$670
Exam Fee
2026 USMLE Fee Schedule
USMLE Step 1 transitioned to Pass/Fail scoring in January 2022. The exam consists of up to 280 questions across 7 blocks with 8 hours total testing time. First-time pass rates for US/Canadian MD students are approximately 91%, while DO students average 96% and international graduates 82%. The exam emphasizes integrated systems-based thinking and clinical vignettes requiring application of basic science knowledge to patient care scenarios.
About the USMLE Step 1 Exam
USMLE Step 1 assesses foundational understanding of health, disease, and therapeutic principles across organ systems. The exam covers general principles (12-16%), behavioral health & nervous system (9-13%), reproductive & endocrine (9-13%), respiratory & renal (9-13%), blood & lymph (7-11%), multisystem processes (6-10%), musculoskeletal & skin (6-10%), cardiovascular (5-9%), gastrointestinal (5-9%), and biostatistics (4-6%). Content is organized by disciplines: pathology (44-52%), physiology (25-35%), pharmacology (15-22%), and biochemistry/nutrition (14-24%).
Questions
280 scored questions
Time Limit
8 hours (7 × 60-minute blocks)
Passing Score
Pass/Fail (since January 2022)
Exam Fee
$670 (FSMB and NBME)
USMLE Step 1 Exam Content Outline
General Principles
Biochemistry, molecular biology, cell biology, genetics, immunology, microbiology - foundational sciences applied clinically
Behavioral Health & Nervous System
Psychology, psychiatry, neuroscience, and neurological disorders with emphasis on clinical presentation and mechanism
Reproductive & Endocrine
Male and female reproductive systems, pregnancy, endocrine physiology and pathology, hormone regulation
Respiratory & Renal
Pulmonary physiology and pathology, acid-base balance, renal function, electrolyte disorders
Blood & Lymph
Hematopoiesis, coagulation, anemia, leukemias, lymphomas, immune-mediated blood disorders
Multisystem Processes
Shock, sepsis, multisystem organ failure, autoimmune diseases, infectious diseases affecting multiple systems
Musculoskeletal & Skin
Bone and joint disorders, connective tissue diseases, dermatology, wound healing, trauma
Cardiovascular
Cardiac physiology, electrophysiology, congenital and acquired heart disease, vascular pathology
Gastrointestinal
Digestive physiology, liver and pancreatic function, GI pathology, nutrition, metabolic disorders
Biostatistics & Epidemiology
Study design, statistical interpretation, public health, screening test characteristics, evidence-based medicine
How to Pass the USMLE Step 1 Exam
What You Need to Know
- Passing score: Pass/Fail (since January 2022)
- Exam length: 280 questions
- Time limit: 8 hours (7 × 60-minute blocks)
- Exam fee: $670
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
USMLE Step 1 Study Tips from Top Performers
Frequently Asked Questions
What is the USMLE Step 1 pass rate?
First-time pass rates vary by candidate type: US/Canadian MD students ~91%, DO students ~96%, US/Canadian IMGs ~82%, and non-US IMGs ~73% (2023 data). Pass/Fail scoring began January 26, 2022.
How is USMLE Step 1 scored?
Since January 2022, Step 1 is Pass/Fail only. Previously, it was scored on a three-digit scale (passing was 194, then 196). The change was made to reduce overemphasis on scores for residency applications.
How many questions are on USMLE Step 1?
The exam contains up to 280 multiple-choice questions divided into 7 blocks of up to 40 questions each. Each block is timed at 60 minutes. Total testing time is 8 hours including break time.
How long should I study for Step 1?
Most students dedicate 4-8 weeks of dedicated study time, with 6-8 hours of focused study daily. Total preparation typically spans 6-12 months of ongoing review during preclinical years plus dedicated study period.
What is the best way to prepare for Step 1?
Use a combination of resources: question banks (UWorld, NBME practice exams), first-aid review book, and pathology resources. Focus on understanding mechanisms and clinical applications rather than rote memorization.
Can I retake Step 1 if I fail?
Yes, you can retake Step 1 up to 4 times total, with a maximum of 3 attempts within a 12-month period. You must wait 28 days between attempts.