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Step 2 CK form guide Medium

Step 2 CK NBME 15: what's on it and how hard it is

NBME 15 has 184 questions in our copy. The average question is 122 words long and 86% take two or more steps to answer. It leans most on brain and nerves, reproductive and heart and vessels.

Difficulty (0–100)
73
Average question
122 words
Take 2+ steps
86%
Have an image
19%

When to take it

Save it for your last 2–3 weeks. It is the closest thing to today's exam.

Students say it feels harder than the questions really are.

Our original practice exams

Systems it tests most

Share of the questions in each system.

  • Brain and nerves12%
  • Reproductive12%
  • Heart and vessels11%
  • General principles9%

The full breakdown

Every system and subject, what the questions ask, and what changed from older forms.

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