CONTENTS
CHAPTER 1
Biology of the Gastrointestinal Tract …………………………………………………………………………………………………….. 1
Emad Qayed and Mehul Parikh
QUESTIONS ………………………………………………………………………………………………………………………….1
ANSWERS …………………………………………………………………………………………………………………………….4
CHAPTER 2
Nutrition in Gastroenterology ……………………………………………………………………………………………………………….. 8
Jason M. Brown, Nikrad Shahnavaz, and Vaishali Patel
QUESTIONS ………………………………………………………………………………………………………………………….8
ANSWERS …………………………………………………………………………………………………………………………..13
CHAPTER 3
Symptoms, Signs, and Biopsychosocial Issues ……………………………………………………………………………………. 20
Heba Iskandar, Amneet K. Hans, Emad Qayed, and Ramzi Mulki
QUESTIONS ………………………………………………………………………………………………………………………..20
ANSWERS …………………………………………………………………………………………………………………………..32
CHAPTER 4
Topics Involving Multiple Organs ………………………………………………………………………………………………………… 44
Jan-Michael
A. Klapproth, Pramod Pantangi, Stephan Goebel, Shreya Raja,
Dharma Sunjaya, Lisa Cassani, and Emad Qayed
QUESTIONS ………………………………………………………………………………………………………………………..44
ANSWERS …………………………………………………………………………………………………………………………..66
CHAPTER 5
Esophagus ……………………………………………………………………………………………………………………………………….. 81
Rushikesh Shah, Field Willingham, Anand Jain, Salih Samo, and Ambreen Merchant
QUESTIONS ………………………………………………………………………………………………………………………..81
ANSWERS …………………………………………………………………………………………………………………………..89
CHAPTER 6
Stomach and Duodenum ……………………………………………………………………………………………………………………. 98
Mohammed A. Razvi, Raj Dalsania, Anand S. Shah, and Mohammed Naseemuddin
QUESTIONS ………………………………………………………………………………………………………………………..98
ANSWERS …………………………………………………………………………………………………………………………107
CHAPTER 7
Pancreas ………………………………………………………………………………………………………………………………………… 117
Jennifer Kolb, Hazem Hammad, Saurabh Chawla, Ahmed Messallam, and Emad Qayed
QUESTIONS ………………………………………………………………………………………………………………………117
ANSWERS …………………………………………………………………………………………………………………………132
CHAPTER 8
Biliary Tract …………………………………………………………………………………………………………………………………….. 144
Emad Qayed, Anand Patel, Steven Keilin, Melvin Simien, and Anthony Gamboa
QUESTIONS ………………………………………………………………………………………………………………………144
ANSWERS …………………………………………………………………………………………………………………………160
CHAPTER 9
Liver ………………………………………………………………………………………………………………………………………………. 172
Edward LeVert, Angel B. Morales-Santiago,
Mary Flynn, Giorgio Roccaro,
Nikrad Shahnavaz, Samir Parekh, Thuy-Van
P. Hang, Ravi S. Vora, Mohammed Naseemuddin,
Preeti Reshamwala, Joel P. Wedd, and Cesar Taborda
QUESTIONS ………………………………………………………………………………………………………………………172
ANSWERS …………………………………………………………………………………………………………………………218
CHAPTER 10
Small and Large Intestine ………………………………………………………………………………………………………………… 249
Julia Massaad, Cameron Body, Kavya Sebastian, Gordon T. Robbins, Nikrad Shahnavaz,
Meena Prasad, Chaitanya Allamneni, Tanvi Dhere, Harini S. Naidu, Sonali Sakaria,
Jennifer Christie, Shahzad Ahmed, Srikrishna Patnana, Sobia Mujtaba, and Emad Qayed
QUESTIONS ………………………………………………………………………………………………………………………249
ANSWERS …………………………………………………………………………………………………………………………292
CHAPTER 11
Additional Treatments for Patients With Gastrointestinal and Liver Disease …………………………………………. 329
Emad Qayed and Rosemary Nustas
QUESTIONS ………………………………………………………………………………………………………………………329
ANSWERS …………………………………………………………………………………………………………………………331
ILLUSTRATION CREDITS …………………………………………………………………………………… 334