NBME Surgery Subject Exam (Shelf) — Free Online Mock Test
NBME Subject (Shelf) Exam · ~110 MCQ. General surgery & subspecialties — pre/post-op care, trauma, acute abdomen, and surgical management. · Official language: English.
NBME Surgery exam at a glance
NBME Surgery key facts & eligibility
| Conducting body | National Board of Medical Examiners (NBME). |
|---|---|
| Official website | nbme.org — Clinical Science Subject Exams ↗ |
| Mode | Computer-based, administered by the medical school (secure browser) or at a Prometric centre; scheduled at the end of the Surgery clerkship. |
| Frequency | Available year-round; each school schedules it at the end of the clerkship. |
| Scoring & marking | Typically around 110 single-best-answer clinical-vignette questions in about 2 hours 45 minutes, reported as a scaled score (national mean roughly 70, SD about 8) plus a national percentile. There is no fixed national pass mark — schools set their own standard. Much of the exam is general internal-medicine reasoning applied to surgical patients. Separate from USMLE Step 2 CK. |
| Language | English. |
Who is eligible for NBME Surgery?
Enrolled medical students (mainly third-year clerkship students); administered through the school.
Last verified July 2026 against NBME — Clinical Science Subject Exams. Always confirm current details on the official website before you register.
NBME Surgery section breakdown
The NBME Surgery mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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NBME Surgery (50 Q)
NBME Surgery scoring & marking scheme
Strategy: NBME Surgery has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: NBME Surgery (pass 700/1000).
How NBME Surgery is conducted
- Mode
- Test format
- Backtracking
- Mark for review
NBME Surgery time strategy
With 50 questions in 165 minutes, you have about 198 seconds per question on average. Successful candidates aim for the following pacing on each section:
- NBME Surgery (50 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
NBME Surgery topics covered
Across the 50 Wrexa Edge variants of NBME Surgery, the following topics appear most often (sample distribution from one variant):
NBME Surgery (50 Q)
- Clinical Medicine · 25
- SAH Workup · 1
- PE Workup · 1
- Pulmonary TB · 1
- Variceal Bleed · 1
- H. pylori · 1
- Colorectal Cancer Screening · 1
- Pancreatitis · 1
NBME Surgery difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
NBME Subject (Shelf) Exam · ~110 MCQ. General surgery & subspecialties — pre/post-op care, trauma, acute abdomen, and surgical management. · Official language: English.
Verified content — Wrexa Edge's NBME Surgery bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for NBME Surgery
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what NBME Surgery really tests
The NBME Surgery shelf is a roughly 110-question, 2-hour-45-minute exam covering perioperative management, trauma and surgical decision-making — much of it general internal-medicine reasoning applied to surgical patients. Results are a scaled score plus percentile, with each school setting its own passing standard.
Preparation tips
- Master Pestana’s Surgery Notes — high-yield and shelf-aligned.
- Because the exam is medicine-heavy, keep doing IM / UWorld questions.
- Focus on emergency and “what to do next” management algorithms.
⚠️ Common mistakes to avoid
- Studying only operative anatomy and technique instead of clinical management.
- Ignoring the large medicine component and getting surprised on exam day.
NBME Surgery study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Master Pestana’s Surgery Notes — high-yield and shelf-aligned
- Learn emergency and “what to do next” management algorithms
- Note perioperative and trauma essentials
- Do UWorld surgery and medicine questions — the shelf is medicine-heavy
- Practise acute-abdomen and trauma decision-making
- Review fluids, electrolytes and nutrition
- Take an NBME self-assessment timed
- Revisit high-yield management decisions
- Rest before test day
Where NBME Surgery can take you
A strong NBME Surgery result opens up these careers and higher-study paths:
- Clerkship grade & honors
- Surgical / procedural applications
- Broad clinical reasoning
Best books & official prep for NBME Surgery
- Pestana’s Surgery Notes — Carlos Pestana
- De Virgilio’s Surgery: A Case Based Clinical Review — De Virgilio et al.
- Case Files: Surgery — Toy et al.
- UWorld Step 2 CK Qbank — UWorld
Official practice: NBME Clinical Science Mastery Series self-assessments are the most accurate score predictor.
Previous-year papers: NBME does not release past papers; official practice comes from the NBME self-assessments.
Frequently asked questions
- What is the NBME Surgery exam pattern?
- NBME Surgery Subject Exam (Shelf) contains 50 questions across 1 section: NBME Surgery (50 Q). Total duration is 165 minutes (about 198 seconds per question).
- Does NBME Surgery have negative marking?
- No — NBME Surgery has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is NBME Surgery scored?
- Scaled score range: 100 to 1000. NBME Surgery (pass 700/1000).
- How can I practise NBME Surgery online for free?
- Wrexa Edge gives you 10 free full-length NBME Surgery mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of NBME Surgery?
- NBME Surgery is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. NBME Subject (Shelf) Exam · ~110 MCQ. General surgery & subspecialties — pre/post-op care, trauma, acute abdomen, and surgical management. · Official language: English.
- How long is the NBME Surgery exam?
- NBME Surgery runs for 165 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in NBME Surgery?
- NBME Surgery is split into: NBME Surgery (50 Q). Each section is timed and weighted separately. NBME Subject (Shelf) Exam · ~110 MCQ. General surgery & subspecialties — pre/post-op care, trauma, acute abdomen, and surgical management. · Official language: English.
- What tools or aids are allowed during NBME Surgery?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the NBME Surgery test adaptive?
- No — NBME Surgery is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many NBME Surgery mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct NBME Surgery variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2500 unique practice questions in the real test-day interface.
- Is there a free NBME Surgery test series 2026?
- Yes. The Wrexa Edge NBME Surgery test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are NBME Surgery previous year question–style papers included?
- Every NBME Surgery mock is modelled on the official exam pattern and the style of previous years' papers — the same 50-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free NBME Surgery mock test online?
- Wrexa Edge's NBME Surgery mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the NBME Surgery mock test on mobile?
- Yes. NBME Surgery mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the NBME Surgery syllabus?
- The NBME Surgery syllabus maps to its 1 section: NBME Surgery (50 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for NBME Surgery?
- Eligibility for NBME Surgery — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic NBME Surgery practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the NBME Surgery exam and how should I prepare?
- Official NBME Surgery exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free NBME Surgery mocks with instant scoring so you can track your readiness week by week.
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