Crush your USMLE Step 1, NBME, or med school exams with this focused review pack: 51 clinical vignette-style MCQs on Endocrine and GI Physiology & Pathology. Covers thyroid disorders, diabetes, adrenal dysfunction, pituitary tumors, GERD, PUD, IBD, malabsorption, liver disease, and pancreatic pathology. Each question includes detailed explanations, key concepts, and high-yield pearls.