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.

Grasp the principle and use of analysis of variance techniques.

Understand the concept and application of MANOVA and ANCOVA.

Comprehend the use and importance of meta-analysis in synthesizing research findings.

Understand causality assessment methods in statistical analysis.

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