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Step 1 NBME 15: what's on it and how hard it is
NBME 15 has 123 questions in our copy. The average question is 67 words long and 72% take two or more steps to answer. It leans most on blood and immune system, GI and liver and heart and vessels.
- Difficulty (0–100)
- 48
- Average question
- 67 words
- Take 2+ steps
- 72%
- Have an image
- 15%
When to take it
Extra practice early on. It is an older form: shorter questions and more straight recall than today's exam, so don't read much into the score.
Students say it feels about as hard as it is.
Our original practice examsSystems it tests most
Share of the questions in each system.
- Blood and immune system15%
- GI and liver10%
- Heart and vessels10%
- Brain and nerves9%
The full breakdown
Every system and subject, what the questions ask, and what changed from older forms.