A 50-year-old is diagnosed with gastroesophageal reflux. What is the cause of this condition?
A) Fibrosis of the lower third of the esophagus
B) Sympathetic nerve stimulation
C) Loss of muscle tone at the lower esophageal sphincter
D) Reverse peristalsis of the stomach

Question

Quizplus · Accepted Answer

Gastroesophageal reflux disease (GERD) is primarily caused by the loss of muscle tone at the lower esophageal sphincter (LES), which allows stomach acid to flow back into the esophagus.

A 50-Year-Old Is Diagnosed with Gastroesophageal Reflux