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Step 1 form guide Medium
Step 1 NBME 31: what's on it and how hard it is
NBME 31 has 121 questions in our copy. The average question is 78 words long and 81% take two or more steps to answer. It leans most on general principles, blood and immune system and endocrine.
- Difficulty (0–100)
- 72
- Average question
- 78 words
- Take 2+ steps
- 81%
- Have an image
- 29%
When to take it
Middle of dedicated (weeks 3–4), once you have a first score to compare with.
Students say it feels about as hard as it is.
Our original practice examsSystems it tests most
Share of the questions in each system.
- General principles13%
- Blood and immune system12%
- Endocrine10%
- GI and liver10%
The full breakdown
Every system and subject, what the questions ask, and what changed from older forms.