Definition and Pathophysiology: Define Gastroesophageal Reflux Disease (GERD) and briefly explain the underlying pathophysiology. Describe how the lower esophageal sphincter (LES) functions in individ...
a) GERD is the inflammation of the gastric mucosa due to acid reflux.
b) GERD is the backward flow of stomach acid into the esophagus.
c) GERD is the weakening of the cardiac sphincter allowing stomach acid into the esophagus.
d) GERD is the inflammation of the esophageal mucosa due to acid reflux.