NBME Clinical Science Subject Examination (Shelf Exam)
The NBME Shelf Exams are standardized subject exams administered at the end of core clinical clerkships in medical school. Each exam contains 110 multiple-choice questions to be completed in 165 minutes, assessing clinical knowledge across disciplines such as medicine, surgery, pediatrics, psychiatry, and obstetrics/gynecology.
110
Questions
165 min
Time Limit
62%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds