CGRN Practice Questions - ABCGN Certified Gastroenterology Registered Nurse Exam

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A patient with GERD experiences heartburn due to backflow of gastric contents into the esophagus. What is the underlying mechanism?

Excessive acid production Incompetent lower esophageal sphincter Hiatal hernia only Delayed gastric emptying

Correct Answer:

Incompetent lower esophageal sphincter

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