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    Gastrointestinal System Disorders NCLEX Practice Quiz (50 Questions)

    Welcome to your NCLEX practice questions quiz and reviewer for gastrointestinal disorders.

    Gastroesophageal Reflux

    In pediatric gastroesophageal reflux, immaturity of lower esophageal sphincter (LES) function is manifested by frequent transient lower esophageal relaxations (tLESRs), which result in the retrograde flow of gastric contents into the esophagus.

    Hirschsprung Disease (Aganglionic Megacolon)

    Congenital aganglionic megacolon, also called Hirschsprung disease, is characterized by persistent constipation resulting from partial or complete intestinal obstruction of mechanical origin.

    Digestive System Anatomy and Physiology

    Learn about the digestive system here.


    Peritonitis is the inflammation of the peritoneum, the serous membrane lining the abdominal cavity and covering the viscera.


    Appendicitis (also known epityphlitis) is the inflammation of the appendix which is a small finger-like appendage attached to the cecum.


    Pancreatitis is an inflammation of the pancreas.