Question

What is the function of the lower esophageal sphincter?

a.

To prevent backflow of gastric contents into the esophagus

b.

To mix and digest food

c.

To absorb nutrients

d.

To expel waste products of digestion

Answer: (a).To prevent backflow of gastric contents into the esophagus Explanation:The lower esophageal sphincter is a ring-like muscle that separates the esophagus from the stomach and prevents the backflow of gastric contents into the esophagus.

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Q. What is the function of the lower esophageal sphincter?

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