HIGH-YIELD STEP 1 + COMLEX REVIEW
YEAR 2 | PAGE 23H - GI / LIVER / NUTRITION BOARD TRANSFER + READINESS
CURRENT EXAM EMPHASIS
USMLE Step 1 currently assigns Gastrointestinal System 6-10%, while Nutrition overlaps 15-20% as a discipline and Applying Foundational Science Concepts accounts for 60-70%. USMLE enhanced nutrition science across all Step exams beginning June 2026. COMLEX-USA Level 1 assigns a 10% minimum to Gastrointestinal System and Nutritional Health.
CURRENT EXAM EMPHASIS
- USMLE official
- Nutrition update
- NBOME official
F. HIGH-YIELD PROFESSIONAL-EXAM VIDEOS
| # | Video | Time | Why | Link |
|---|---|---|---|---|
| 1. | GI Secretory / Regulatory Physiology - Dirty Medicine | high-yield | Fast consolidation of gastrin/histamine/acid, pancreatic/biliary secretion and GI hormones after deep physiology learning. | Open → |
| 2. | Crohn's vs. Ulcerative Colitis - Dirty Medicine | rapid review | Rapid comparison of distribution, transmural vs mucosal disease, complications and classic board discriminators. | Open → |
| 3. | Bilirubin - Dirty Medicine | rapid review | Compact unconjugated vs conjugated bilirubin framework for hemolysis, hepatocellular disease and obstruction questions. | Open → |
| 4. | Hepatitis B Serology / Interpretation - Dirty Medicine | serology review | Board-focused interpretation of HBsAg, anti-HBs, anti-HBc IgM/IgG, HBeAg and classic acute/chronic/resolved/vaccinated patterns. | Open → |
| 5. | Liver Function Tests - Ninja Nerd | targeted repair | Use selectively for difficult LFT/bilirubin pattern misses; strong bridge from mechanism to diagnostic interpretation. | Open → |
G. PRACTICE + READINESS - INTENTIONALLY NOT VIDEO
| Resource | Description | Link |
|---|---|---|
| UWorld Step 1 | Primary GI/hepatobiliary transfer layer for physiology, pathology, nutrition, pharmacology and integrated vignettes. | |
| AMBOSS USMLE | Targeted repair, side-by-side GI/liver tables and focused question sets after misses. | |
| NBME CBSSA / CBSE | Official-style calibration; recurring GI/nutrition misses define the final review list. | |
| TrueLearn + NBOME Level 1 | COMLEX-formatted GI/nutrition transfer with osteopathic framing and current blueprint alignment. |
G. PRACTICE + READINESS - INTENTIONALLY NOT VIDEO — PROFESSIONAL-EXAM MASTERY GATE
Board-ready: move from symptom/lab pattern -> anatomic site -> mechanism -> diagnostic or pharmacologic inference, and reject distractors that violate physiology. Use NBME/COMSAE trends to judge readiness. VIDEO-FIRST | SCHOOL-EXAM + BOARD-EXAM MASTERY