A 55-year-old man has been diagnosed with a gastroesophageal reflux disease (GERD), in which the function of his lower esophageal sphincter is compromised. Which of the following consequences of this condition is most likely to occur?
A)
Decreased absorption of ingested foods and fluids
B)
Impaired control of the gastric emptying rate
C)
Protrusion of the stomach or regurgitation of stomach contents into the esophagus
D)
Inappropriate release of gastric enzymes
Ans:
C
Feedback:
Given that the role of the lower esophageal sphincter is to control the exchange of foods and fluids, a deficit is likely to allow the stomach contents, or the stomach itself, to protrude into the esophagus. Absorption is unlikely to be directly affected, and the sphincter is not responsible for controlling gastric emptying or enzyme secretion.
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