Gastroesophageal reflux disease (GERD) is a result of:
A)excessive production of hydrochloric acid.
B)a zone of low pressure of the lower esophageal sphincter (LES).
C)presence of Helicobacter pylori in the esophagus.
D)reverse muscular peristalsis of the esophagus.

Question

Quizplus · Accepted Answer

Normally the resting tone of the LES maintains a zone of high pressure that prevents gastroesophageal reflux. In individuals who develop reflux esophagitis, this pressure tends to be lower than normal from either transient relaxation or weakness of the sphincter.

Gastroesophageal Reflux Disease (GERD) Is a Result Of