Medical licensure, part one
USMLE Step 1 prep that tells you if you'd pass.
Systems and disciplines in board-style vignettes with explanations for every option. The exam is pass/fail, so Margin measures your margin against a comfortable pass line.
A patient started on an antihypertensive develops a persistent dry cough. Accumulation of which substance is responsible?
Every answer moves your readiness. This is what studying with Margin feels like.
The USMLE Step 1 blueprint, weighted
Margin spends your time the way the exam spends its points. These are the areas your readiness score is built from, with their approximate share of the exam.
| Area | Share of exam |
|---|---|
| Behavioral Science & Ethics | 8% |
| Biochemistry & Genetics | 9% |
| Microbiology & Immunology | 11% |
| Pharmacology | 11% |
| Cardiovascular | 9% |
| Respiratory & Renal | 10% |
| Gastrointestinal | 7% |
| Endocrine & Reproductive | 10% |
| Nervous System & Psychiatry | 10% |
| Hematology & Oncology | 7% |
| Musculoskeletal & Skin | 8% |
Weights approximate the published content outline. USMLE Step 1 is a trademark of its owner; Margin is not affiliated with it.
Timed mocks
40-question mocks under exam pacing, with a full review afterwards.
Every option explained
See why the right answer is right and why each distractor is tempting — then ask the tutor.
Plan to exam day
Daily reviews and targeted questions counted back from your date, rebalanced when life happens.