USMLE

First Aid USMLE STEP 1: viruses ACTUAL QUESTIONS AND CORRECT ANSWERS Viral structure - general features schematic - CORRECT ANSWERS Viral recombination - CORRECT ANSWERSExchange of genes between 2 chromosomes by crossing over within regions of significant base sequence homology. Viral reassortment - CORRECT ANSWERSWhen viruses with segmented genomes (e.g., influenza virus) exchange genetic material. For example, the 2009 novel H1N1 influenza A pandemic emerged via complex viral r...

This document provides the complete set of practice questions and detailed answers for the USMLE Step 1 Exam (2022/2023 Edition). It includes multiple-choice and case-based questions covering all key disciplines tested on Step 1—such as anatomy, physiology, biochemistry, pathology, pharmacology, microbiology, and behavioral sciences. Each question is accompanied by an accurate answer and explanation to reinforce understanding of high-yield concepts and clinical reasoning. Ideal for medical stu...

This document provides the complete set of practice questions and detailed answers for the USMLE Step 1 Exam (2022/2023 Edition). It includes multiple-choice and case-based questions covering all key disciplines tested on Step 1—such as anatomy, physiology, biochemistry, pathology, pharmacology, microbiology, and behavioral sciences. Each question is accompanied by an accurate answer and explanation to reinforce understanding of high-yield concepts and clinical reasoning. Ideal for medical stu...

questions and answers

Topics covered (e.g., stroke, epilepsy, spinal cord lesions, cranial nerves, etc.) Format (e.g., bullet points, flowcharts, mnemonics, tables) Target audience (e.g., USMLE Step 1, MBBS, PLAB, nursing) Your unique selling point (e.g., simplified, color-coded, case-based)

These color-coded notes simplify cardiac electrophysiology and ECG interpretation for USMLE Step 1/2 and medical school exams. Includes: Action potentials (phases, ion channels). Conduction system pathways (SA node → Purkinje). Arrhythmia summaries (Afib, VTach, heart blocks). ECG cheat sheets (waveforms, intervals, abnormalities). Based on First Aid, Pathoma, and clinical rotations. Perfect for quick review!"

This comprehensive USMLE Step 1 Biochemistry study pack offers over 350 high-yield questions and answers covering the most frequently tested topics in biochemistry. It includes clear, concise explanations on enzyme pathways, inborn errors of metabolism, vitamin deficiencies, and molecular biology essentials. Designed and verified by top-performing students, these notes align closely with NBME and USMLE Step 1 content outlines. Perfect for both rapid revision and deep understanding.

Learn everything about ECG with a great ease

boards and beyond usmle notes includes the following; Embryonic Genes Embryogenesis Germ Layers Errors in Morphogenesis Teratogens I Table of Contents Spermatogenesis and Oogenesis 31 4 Placenta 34 6 Twins 38 9 Pregnancy Maternal-Fetal Disorders HTN in Pregnancy 48 20 Placental Complications Gestational Tumors TORCH Infections Teratogens II Pharyngeal Arches Cleft Lip and Palate Pharyngeal Pouches/Clefts Reproductive Embryology 27

boards and beyond usmle notes includes the following Renal Embryology 1 Renal Anatomy 4 Renal Physiology I 5 Renal Physiology II 9 Nephron Physiology 16 Renal Endocrinology 24 Acid Excretion 29 Acid Base Principles 33 Respiratory Acid Base Disorders 39 Metabolic Alkalosis 41 Renal Tubular Acidosis 45 Metabolic Acidosis 48 Acid Base Problems 54 Electrolyte Disorders 58 Sodium and Water Balance 62 Sodium Disorders 67 Glomerular Disease Principles 76 Nephritic Syndrome 80 Nephrotic Syndrome 8...