Why Does the Backward Flow of Stomach Contents into the Esophagus

question 10

Multiple Choice

Why does the backward flow of stomach contents into the esophagus cause tissue damage?

• A) No digestive processes occur in the esophagus.
• B) The esophagus does not have the thick gel-like mucus to protect it from acid.
• C) The esophagus secretes only bicarbonate,which is not strong enough to neutralize stomach acids.
• D) The esophagus cannot expand with extra volume and the excessive stretching damages the muscle layer.

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