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Step 2 CK form guide Hard

Step 2 CK NBME 13: what's on it and how hard it is

NBME 13 has 165 questions in our copy. The average question is 133 words long and 85% take two or more steps to answer. It leans most on reproductive, lungs and brain and nerves.

Difficulty (0–100)
75
Average question
133 words
Take 2+ steps
85%
Have an image
18%

When to take it

Middle of your study period, once you have a first score. Expect close calls between two "next step" answers.

Students say it feels about as hard as it is.

Our original practice exams

Systems it tests most

Share of the questions in each system.

  • Reproductive13%
  • Lungs11%
  • Brain and nerves10%
  • General principles10%

The full breakdown

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

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