The condition known as acid reflux occurs when the lower esophageal sphincter malfunctions.

Name: The condition known as acid reflux occurs when the lower esophageal sphincter malfunctions.
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Question

Quizplus · Accepted Answer

Acid reflux occurs when the lower esophageal sphincter, a muscle at the end of the esophagus, does not close properly, allowing stomach acid to flow back into the esophagus.

The Condition Known as Acid Reflux Occurs When the Lower