General Principles Second Edition SENIOR EDITORS EDITOR TAO LE, MD, MHS VINITA TAKIAR, MD, PhD Associate Clinical Professor of Medicine and Pediatrics Resident, Radiation Oncology Chief, Section of Allergy and Immunology University of Texas, MD Anderson Cancer Center Department of Medicine University of Louisville KENDALL KRAUSE, MD Resident, General Preventive Medicine/Public Health Colorado School of Public Health New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright © 2012, 2009 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 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The following material was reproduced, with permission, from Le T, et al. First Aid for the USMLE Step 1, New York: McGraw-Hill, 2011: Figures 1-3, 1-7, 1-18, 1-19, 1-21, 1-23, 1-24, 1-26, 1-27, 1-29, 1-30, 1-32, 3-5, 3-7, 3-8, 3-9, 3-14, 3-15, 3-16, 3-17, 3-26, 3-27, 3-34, 3-42, 3-45, 3-48, 3-49, 3-53, 3-59, 3-68, 3-69, 3-72, 3-105, 3-124, 3-125, 3-126, 3-127, 3-128, 4-3, 4-5, 4-6, 4-11, 4-25, 5-7, 5-8, 5-40, 5-41, 5-43, 6-5, 6-9, and 6-10; Tables 3-19, 3-28, 4-7, 5-52, 6-10, 6-14, and 6-16. TERMS OF USE This is a copyrighted work and The McGraw-Hill Companies, Inc. (“McGrawHill”) and its licensors reserve all rights in and to the work. Use of this work is subject to these terms. 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This page intentionally left blank v contents Contributing Authors . . . . . . . . . . . . . . . . . . . . . . . . . vi Fed Versus Unfed State. . . . . . . . . . . . . . . . . . . . . 176 Faculty Reviewers . . . . . . . . . . . . . . . . . . . . . . . . . . .vii Laboratory Tests and Techniques. . . . . . . . . . . . . 219 Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Genetics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . . . . .x How to Use This Book. . . . . . . . . . . . . . . . . . . . . . . . xi cHAPTER 4. Embryology. . . . . . . . . . . . . . . . . . 237 How to Contribute. . . . . . . . . . . . . . . . . . . . . . . . . . .xiii cHAPTER 5. MIcrobiology . . . . . . . . . . . . . . . . 263 cHAPTER 1. Anatomy and Histology. . . . . . . . . .1 Bacteriology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Cellular Anatomy and Histology . . . . . . . . . . . . . . . . .2 Spirochetes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 Gross Anatomy and Histology. . . . . . . . . . . . . . . . . 17 Mycology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 Parasitology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342 cHAPTER 2. Behavioral Science. . . . . . . . . . . . 39 Virology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 Epidemiology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Microbiology: Systems. . . . . . . . . . . . . . . . . . . . . . 408 Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Antimicrobials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426 Disease Prevention . . . . . . . . . . . . . . . . . . . . . . . . . 54 cHAPTER 6. Immunology. . . . . . . . . . . . . . . . . 461 Ethics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Life Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Principles of Immunology. . . . . . . . . . . . . . . . . . . 462 Psychology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Pathology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483 cHAPTER 3. Biochemistry . . . . . . . . . . . . . . . . . 77 cHAPTER 7. Pathology . . . . . . . . . . . . . . . . . . . 505 Molecular Biology . . . . . . . . . . . . . . . . . . . . . . . . . . 78 cHAPTER 8. General Pharmacology . . . . . . . 529 Nucleotide Synthesis. . . . . . . . . . . . . . . . . . . . . . . . 80 Pharmacodynamics. . . . . . . . . . . . . . . . . . . . . . . . 530 Mutations and DNA Repair. . . . . . . . . . . . . . . . . . . 95 Pharmacokinetics. . . . . . . . . . . . . . . . . . . . . . . . . . 534 Enzymes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Toxicology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 539 The Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Connective Tissue. . . . . . . . . . . . . . . . . . . . . . . . . 123 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547 Homeostasis and Metabolism . . . . . . . . . . . . . . . 131 About the Editors . . . . . . . . . . . . . . . . . . . . . . . . . 560 Amino Acids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Nutrition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 vi CONTRIBUTING AUTHORS Raj J. chovatiya Hadiza S. Kazaure Yale School of Medicine Yale School of Medicine Medical Scientist Training Program Class of 2012 Daniel J. Durand, MD Lauren Michal de Leon, MD Instructor and Fellow Intern, Department of Internal Medicine Radiology and Radiological Sciences Alpert Medical School of Brown University Johns Hopkins University School of Medicine Seenu Susarla, MD, DMD, MPH Aaron Feinstein Resident, Departments of Surgery/Oral-Maxillofacial Surgery Yale School of Medicine Massachusetts General Hospital Class of 2012 Harvard Medical School Peter M. Gayed Rany Woo Yale School of Medicine Yale School of Medicine Class of 2016 Class of 2012 Yale Graduate School of Arts and Sciences James S. Yeh, MD Class of 2015 Resident, Clinical Fellow in Medicine John W. Gilbert Cambridge Health Alliance Yale School of Medicine Harvard Medical School Class of 2012 Jose Luis Gonzalez Yale School of Medicine Class of 2012 vii FACULTY REVIEWERS Steven I. Aronin, MD, FAcP Shanta Kapadia, MBBS, M Surg Chief, Section of Infectious Disease Lecturer, Section of Anatomy Hospital Epidemiologist Department of Surgery Waterbury Hospital Yale School of Medicine Associate Clinical Professor of Medicine Michael Kashgarian, MD Yale School of Medicine Professor Emeritus of Pathology Senior Research Scientist Susan Baserga, MD, PhD Department of Pathology Professor of Molecular Biophysics and Biochemistry, Genetics, Yale School of Medicine and Therapeutic Radiology Yale School of Medicine Richard J. Pels, MD Associate Chief of Medicine choukri Ben Mamoun, PhD Internal Medicine Residency Program Director Associate Professor of Medicine and Microbial Pathogenesis Director of Graduate Medical Education, Cambridge Yale School of Medicine Health Alliance Assistant Professor of Medicine Sheldon campbell MD, PhD Harvard Medical School Associate Professor of Laboratory Medicine Yale School of Medicine Steve Sazinsky, PhD Postdoctoral Fellow Oscar R. colegio, MD, PhD Boston University Associate Professor of Dermatology Howard Steinman, PhD Yale School of Medicine Assistant Dean for Biomedical Science Education Professor of Biochemistry Frantz Hastrup, MD Albert Einstein College of Medicine Chief of Critical Care Medicine Instructor in Medicine Richard Sutton, MD, PhD Cambridge Hospital Associate Professor of Internal Medicine Harvard Medical School Yale School of Medicine This page intentionally left blank
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