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First Aid for the Basic Sciences, General Principles PDF

577 Pages·2011·27.21 MB·English
by  Tao Le
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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. ISBN: 978-0-07-174594-9 MHID: 0-07-174594-7 The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-174388-4, MHID: 0-07-174388-X. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefi t of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To contact a representative please e-mail us at [email protected]. Disclosure: The opinions or assertions contained herein are the private views of the authors and are not to be construed as offi cial or as refl ecting the views of the Department of Defense, the United States Military, or the Department of Health and Human Services. NOTIcE Medicine is an ever-changing science. As new research and clinical experience broaden our knowledge, changes in treatment and drug therapy are required. The authors and the publisher of this work have checked with sources believed to be reliable in their efforts to provide information that is complete and generally in accord with the standards accepted at the time of publication. However, in view of the possibility of human error or changes in medical sciences, neither the authors nor the publisher nor any other party who has been involved in the preparation or publication of this work warrants that the information contained herein is in every respect accurate or complete, and they disclaim all responsibility for any errors or omissions or for the results obtained from use of the information contained in this work. Readers are encouraged to confi rm the information contained herein with other sources. For example and in particular, readers are advised to check the product information sheet included in the package of each drug they plan to administer to be certain that the information contained in this work is accurate and that changes have not been made in the recommended dose or in the contraindications for administration. This recommendation is of particular importance in connection with new or infrequently used drugs. 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. Except as permitted under the Copyright Act of 1976 and the right to store and retrieve one copy of the work, you may not decompile, disassemble, reverse engineer, reproduce, modify, create derivative works based upon, transmit, distribute, disseminate, sell, publish or sublicense the work or any part of it without McGraw-Hill’s prior consent. You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Your right to use the work may be terminated if you fail to comply with these terms. THE WORK IS PROVIDED “AS IS.” McGRAW-HILL AND ITS LICENSORS MAKE NO GUARANTEES OR WARRANTIES AS TO THE ACCURACY, ADEQUACY OR COMPLETENESS OF OR RESULTS TO BE OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMATION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE, AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. McGraw-Hill and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw-Hill nor its licensors shall be liable to you or anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting therefrom. McGraw-Hill has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill and/ or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise. "I own Kaplan Qbank... but I heard so many good things about USMLERx that From the Authors of FIRST AID R I just bought this and I love it! The explanations you provide are awesome compared to Kaplan Qbank." 3000+ top rated Step 1 "I used USMLERx and thought it was questions with detailed incredible... I scored 99 on the exam." explanations "Wow... USMLERx is badass... USMLERx was challenging... this is more represen- Integrated with tative of what the real test is like." First Aid for the USMLE Step 1 Predictive of actual USMLE performance Pass guarantee - pass or we World’s largest online flash card deck for the USMLE Step 1! double your subscription* 10,000+ flash cards integrated with First Aid for the USMLE Step 1. Searchable by organ system, discipline, and topic. Discuss, annotate and mark your favorite First Aid topics. First Aid topics integrated with corrections and bonus content. wwwwww..uussmmlleerrxx..ccoomm YYoouurr PPrreessccrriippttiioonn ffoorr UUSSMMLLEE SSuucccceessss *Subject to restrictions. See website for details. DEDIcATION To the contributors to this and future editions, who took time to share their knowledge, insight, and humor for the benefit of students. and To our families, friends, and loved ones, who supported us in the task of assembling this guide. 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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The essential companion for your first two years of medical school First Aid for the Basic Sciences: General Principles, 2e provides you with a solid understanding of the basic science principles with which all medical students must be familiar. The second edition has been completely revised to feat
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