The main function of the cardiac sphincter of the stomach is to:
A)Prevent the reflux of the gastric contetnt to the esophagus
B)Facilitate storage of food on the lower part of the esophagus
C)Mix the food particles entering the stomach.
D)Control the rate of food entry into the stomach.

Question

Quizplus · Accepted Answer

The cardiac sphincter, also known as the lower esophageal sphincter, primarily functions to prevent the backflow (reflux) of gastric contents into the esophagus, protecting the esophageal mucosa from the corrosive effect of stomach acid.

The Main Function of the Cardiac Sphincter of the Stomach