, SEVENTH EDITION
™
LANGE Q&A
PEDIATRICS
Mary Anne Jackson, MD
Chief, Section of Pediatric Infectious Diseases
Children’s Mercy Hospital & Clinics
Professor of Pediatrics
University of Missouri, Kansas City School of Medicine
Kansas City, Missouri
Sara S. Viessman, MD
Former Director, Pediatric Residency Program and Associate Professor
Former Director, Med-Peds Residency Program
University of Missouri-Columbia School of Medicine
Columbia, Missouri
Former Associate Dean for Medical Education at Lehigh Valley Hospital
Penn State College of Medicine
Allentown, Pennsylvania
New York Chicago San Francisco Lisbon London Madrid Mexico City
Milan New Delhi San Juan Seoul Singapore Sydney Toronto
,Copyright © 2010 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 permis-
sion of the publisher.
ISBN: 978-0-07-170035-1
MHID: 0-07-170035-8
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-147568-6, MHID: 0-07-147568-0.
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 eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To con-
tact a representative please e-mail us at .
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 The McGraw-Hill Companies, Inc. (“McGraw-Hill”) 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 strict-
ly 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.
, Contents
Contributors ........................................................................................................................................................... v
Student Reviewers .............................................................................................................................................. vii
Preface .................................................................................................................................................................... ix
Acknowledgements .............................................................................................................................................. x
1. Warm-Up Questions and Exam-Taking Skills ......................................................................................... 1
MARY ANNE JACKSON, MD
Questions .......................................................................................................................................................... 2
Answers and Explanations ............................................................................................................................ 7
2. General Pediatrics ........................................................................................................................................ 15
CATALINA KERSTEN, MD
Questions ......................................................................................................................................................... 16
Answers and Explanations ........................................................................................................................... 29
3. The Neonate .................................................................................................................................................. 49
EUGENIA K. PALLOTTO, MD
Questions ......................................................................................................................................................... 48
Answers and Explanations ........................................................................................................................... 64
4. Growth and Development .......................................................................................................................... 81
SARAH E. HAMPL, MD
Questions ......................................................................................................................................................... 82
Answers and Explanations ........................................................................................................................... 96
5. Feeding and Nutrition .............................................................................................................................. 109
SARA VIESSMAN, MD, MARY STAHL LEVICK, MD, AND WILLIAM J KLISH, MD
Questions........................................................................................................................................................ 110
Answers and Explanations.......................................................................................................................... 117
6. Fluids, Electrolytes, and Metabolic Disorders ...................................................................................... 125
JOSEPH T. CERNICH, MD AND ANGELA L. TURPIN, MD
Questions ....................................................................................................................................................... 126
Answers and Explanations ......................................................................................................................... 135
iii
™
LANGE Q&A
PEDIATRICS
Mary Anne Jackson, MD
Chief, Section of Pediatric Infectious Diseases
Children’s Mercy Hospital & Clinics
Professor of Pediatrics
University of Missouri, Kansas City School of Medicine
Kansas City, Missouri
Sara S. Viessman, MD
Former Director, Pediatric Residency Program and Associate Professor
Former Director, Med-Peds Residency Program
University of Missouri-Columbia School of Medicine
Columbia, Missouri
Former Associate Dean for Medical Education at Lehigh Valley Hospital
Penn State College of Medicine
Allentown, Pennsylvania
New York Chicago San Francisco Lisbon London Madrid Mexico City
Milan New Delhi San Juan Seoul Singapore Sydney Toronto
,Copyright © 2010 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 permis-
sion of the publisher.
ISBN: 978-0-07-170035-1
MHID: 0-07-170035-8
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-147568-6, MHID: 0-07-147568-0.
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 eBooks are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To con-
tact a representative please e-mail us at .
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 The McGraw-Hill Companies, Inc. (“McGraw-Hill”) 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 strict-
ly 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.
, Contents
Contributors ........................................................................................................................................................... v
Student Reviewers .............................................................................................................................................. vii
Preface .................................................................................................................................................................... ix
Acknowledgements .............................................................................................................................................. x
1. Warm-Up Questions and Exam-Taking Skills ......................................................................................... 1
MARY ANNE JACKSON, MD
Questions .......................................................................................................................................................... 2
Answers and Explanations ............................................................................................................................ 7
2. General Pediatrics ........................................................................................................................................ 15
CATALINA KERSTEN, MD
Questions ......................................................................................................................................................... 16
Answers and Explanations ........................................................................................................................... 29
3. The Neonate .................................................................................................................................................. 49
EUGENIA K. PALLOTTO, MD
Questions ......................................................................................................................................................... 48
Answers and Explanations ........................................................................................................................... 64
4. Growth and Development .......................................................................................................................... 81
SARAH E. HAMPL, MD
Questions ......................................................................................................................................................... 82
Answers and Explanations ........................................................................................................................... 96
5. Feeding and Nutrition .............................................................................................................................. 109
SARA VIESSMAN, MD, MARY STAHL LEVICK, MD, AND WILLIAM J KLISH, MD
Questions........................................................................................................................................................ 110
Answers and Explanations.......................................................................................................................... 117
6. Fluids, Electrolytes, and Metabolic Disorders ...................................................................................... 125
JOSEPH T. CERNICH, MD AND ANGELA L. TURPIN, MD
Questions ....................................................................................................................................................... 126
Answers and Explanations ......................................................................................................................... 135
iii