Table Of ContentFIRST AID
FOR
THE®
USMLE
STEP 1
2015
TAO LE, MD, MHS VIKAS BHUSHAN, MD
Associate Clinical Professor Diagnostic Radiologist
Chief, Section of Allergy and Immunology Los Angeles
Department of Medicine
University of Louisville
MATTHEW SOCHAT, MD PATRICK SYLVESTER
Resident, Department of Neurology The Ohio State University College of Medicine
New York University School of Medicine Class of 2015
MICHAEL MEHLMAN KIMBERLY KALLIANOS, MD
University of Queensland, Australia Resident, Department of Radiology and Biomedical Imaging
Class of 2015 University of California, San Francisco
New York / Chicago / San Francisco / Lisbon / London / Madrid / Mexico City
Milan / New Delhi / San Juan / Seoul / Singapore / Sydney / Toronto
FAS1_2015_00_Frontmatter_i-xxiv.indd 1 11/9/14 12:35 AM
Copyright © 2015 by Tao Le and Vikas Bhushan. 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, with the exception that the program listings may
be entered, stored, and executed in a computer system, but they may not be reproduced for publication.
ISBN: 978-0-07-184007-1
MHID: 0-07-184007-9
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-184006-4,
MHID: 0-07-184006-0.
eBook conversion by codeMantra
Version 1.0
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 benefit 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 Education 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 visit the Contact Us page at www.mhprofessional.com.
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 confirm 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.
TERMS OF USE
This is a copyrighted work and McGraw-Hill Education 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 Education’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 EDUCATION 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 Education 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 Education 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 Education has no responsibility for the content of any information accessed through
the work. Under no circumstances shall McGraw-Hill Education 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.
Dedication
To the contributors to this and past editions, who took time to share
their knowledge, insight, and humor for the benefit of students.
FAS1_2015_00_Frontmatter_i-xxiv.indd 3 11/9/14 12:35 AM
This page intentionally left blank
Contents
Contributing Authors vii General Acknowledgments xv
Associate Authors viii How to Contribute xix
Faculty Reviewers ix How to Use This Book xxi
Twenty-Fifth Anniversary Foreword xi Common USMLE Laboratory Values xxii
Preface xiii First Aid Checklist for the USMLE Step 1 xxiv
Special Acknowledgments xiv
``SECTION I GUIDE TO EFFICIENT EXAM PREPARATION 1
Introduction 2 Test-Taking Strategies 18
USMLE Step 1—The Basics 2 Clinical Vignette Strategies 20
Defining Your Goal 11 If You Think You Failed 20
Excelling in the Preclinical Years 12 If You Failed 21
Timeline for Study 13 Testing Agencies 21
Study Materials 17 References 22
``SECTION I SUPPLEMENT SPECIAL SITUATIONS 23
First Aid for the International Medical Graduate 24 First Aid for the Podiatric Medical Student 39
First Aid for the Osteopathic Medical Student 34 First Aid for the Student with a Disability 41
``SECTION II HIGH-YIELD GENERAL PRINCIPLES 43
How to Use the Database 44 Immunology 197
Behavioral Science 47 Pathology 221
Biochemistry 61 Pharmacology 241
Microbiology 117
v
FAS1_2015_00_Frontmatter_i-xxiv.indd 5 11/9/14 12:35 AM
``SECTION III HIGH-YIELD ORGAN SYSTEMS 263
Approaching the Organ Systems 264 Neurology 447
Cardiovascular 267 Psychiatry 503
Endocrine 311 Renal 525
Gastrointestinal 341 Reproductive 557
Hematology and Oncology 381 Respiratory 599
Musculoskeletal, Skin, and Connective Tissue 415 Rapid Review 623
``SECTION IV TOP-RATED REVIEW RESOURCES 643
How to Use the Database 644 Cell Biology and Histology 649
Question Banks 646 Microbiology and Immunology 649
Question Books 646 Pathology 650
Internet Sites 646 Pharmacology 651
Mobile Apps 647 Physiology 652
Comprehensive 647 Commercial Review Courses 653
Anatomy, Embryology, and Neuroscience 647 Publisher Contacts 659
Behavioral Science 648 Abbreviations and Symbols 661
Biochemistry 648 Photo Acknowledgments 669
``
Index 687 About the Authors 743
vi
FAS1_2015_00_Frontmatter_i-xxiv.indd 6 11/9/14 12:35 AM
Contributing Authors
DANIEL AARONSON JOUZIF IBRAHIM, MD
Sackler School of Medicine Resident, Department of Anesthesiology
Class of 2016 New York State University at Buffalo School of Medicine
MARK D. ARD, MA
MEHBOOB KALANI
Editor, firstaidteam.com
Loma Linda University School of Medicine University of St. Eustatius School of Medicine
Class of 2016 Class of 2015
YASH CHAVDA
NYIT College of Osteopathic Medicine M. SCOTT MOORE, DO
Class of 2015
Resident, Department of Pathology
University of Arizona School of Medicine
FRANCIS DENG
Washington University School of Medicine in St. Louis
Class of 2016 JUDITH RAMEL, MD
American University of the Caribbean
NATHANIEL R. GREENBAUM Class of 2014
Sackler School of Medicine
Class of 2016
NINO SIKHARULIDZE, MD
ANN R. HUA Department of Endocrinology
University of Texas Health Science Center at San Antonio Tbilisi State Medical University
Class of 2017
JACK HUA JARED A. WHITE, MS
University of Texas Health Science Center at San Antonio University of Mississippi School of Medicine
Class of 2015 Class of 2016
Image and IllustratIon team
PRAMOD THEETHA KARIYANNA, MD RICHARD P. USATINE, MD
Resident, Department of Internal Medicine Professor, Dermatology and Cutaneous Surgery
Brookdale University Hospital and Medical Center Professor, Family and Community Medicine
University of Texas Health Science Center San Antonio
vii
FAS1_2015_00_Frontmatter_i-xxiv.indd 7 11/9/14 12:35 AM
Associate Authors
JESSIE DHALIWAL ERIC DAEHO KIM
Western University of Health Sciences College of Osteopathic Medicine Western University of Health Sciences College of Osteopathic Medicine
Class of 2016 Class of 2016
ASHWANI GORE RYAN K. MEYER
St. George’s University School of Medicine Rutgers New Jersey Medical School
Class of 2015 Class of 2016
JAN ANDRE GRAUMAN, MA SATYAJIT REDDY
San Juan Bautista School of Medicine Alpert Medical School of Brown University
Class of 2016 Class of 2015
Image and IllustratIon team
WENDY E. ABBOTT JOCELYN T. COMPTON
Kentucky College of Osteopathic Medicine Columbia University College of Physicians and Surgeons
Class of 2015 Class of 2015
KEVIN AU JULIA KING
Albany Medical College New York University School of Medicine
Class of 2015 MD/PhD Candidate
viii
FAS1_2015_00_Frontmatter_i-xxiv.indd 8 11/9/14 12:35 AM
Faculty Reviewers
MARIA ANTONELLI, MD JEFFREY J. GOLD, MD
Rheumatology Fellow, Department of Medicine Associate Professor, Department of Neurology
Case Western Reserve University School of Medicine University of California, San Diego School of Medicine
BRIAN S. APPLEBY, MD WHITNEY GREEN, MD
Associate Professor, Department of Neurology Resident, Department of Pathology
Case Western Reserve University School of Medicine Johns Hopkins Hospital
HERMAN BAGGA, MD
RYAN C. W. HALL, MD
Fellow, Department of Urology
Assistant Professor, Department of Psychiatry
Cleveland Clinic
University of South Florida
ADITYA BARDIA, MBBS, MPH
MARGARET HAYES, MD
Attending Physician, Massachusetts General Hospital
Pulmonary and Critical Care Fellow
Harvard Medical School
Johns Hopkins Hospital
JOHN BARONE, MD
JEFFREY W. HOFMANN, PhD
Anatomic and Surgical Pathology
BaroneRocks.com The Warren Alpert Medical School of Brown University
MD Candidate
BROOKS D. CASH, MD
DEEPALI JAIN, MD
Professor of Medicine, Division of Gastroenterology
University of South Alabama School of Medicine Assistant Professor, Department of Pathology
All India Institute of Medical Sciences
LINDA S. COSTANZO, PhD
BRIAN C. JENSEN, MD
Professor of Physiology & Biophysics
Virginia Commonwealth University School of Medicine Assistant Professor of Medicine and Pharmacology
University of North Carolina McAllister Heart Institute
ANTHONY L. DeFRANCO, PhD
Professor of Microbiology and Immunology JENNIFER LE, MD
University of California, San Francisco School of Medicine
Associate Professor, Division of Child and Adolescent Psychiatry
University of Louisville School of Medicine
CHARLES S. DELA CRUZ, MD, PhD
Assistant Professor, Department of Pulmonary and Critical Care Medicine GERALD LEE, MD
Yale School of Medicine
Assistant Professor, Department of Pediatrics
University of Louisville School of Medicine
CONRAD FISCHER, MD
Residency Program Director, Brookdale University Hospital KACHIU LEE, MD, MPH
Brooklyn, New York
Associate Professor of Medicine, Physiology, and Pharmacology Department of Dermatology
Touro College of Medicine Harvard Medical School
STUART D. FLYNN, MD WARREN LEVINSON, MD, PhD
Dean, College of Medicine Professor, Department of Microbiology & Immunology
University of Arizona College of Medicine, Phoenix University of California, San Francisco School of Medicine
ix
FAS1_2015_00_Frontmatter_i-xxiv.indd 9 11/9/14 12:35 AM