A 50-year-old male is experiencing reflux of chyme from the stomach.He is diagnosed with gastroesophageal reflux.This condition is caused by:
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 is due to loss of muscle tone at the lower esophageal sphincter.
Gastroesophageal reflux is due to loss of muscle tone at the lower esophageal sphincter; it is not due to fibrosis.
Gastroesophageal reflux is due to loss of muscle tone at the lower esophageal sphincter,not stimulation of sympathetic nerves.
Gastroesophageal reflux is due to loss of muscle tone at the lower esophageal sphincter,not reverse peristalsis.

A 50-Year-Old Male Is Experiencing Reflux of Chyme from the Stomach.He