Digestive System Overview · Physiology

Which valve or sphincter controls the passage of chyme from the small intestine into the large intestine and prevents backflow of fecal material?

  1. Pyloric sphincter
  2. Lower esophageal sphincter
  3. Ileocecal valve
  4. Sphincter of Oddi
Show answer and explanation

Correct answer: Ileocecal valve

The ileocecal valve is located at the junction of the ileum and the cecum. It remains constricted to slow the exit of chyme from the ileum and opens in response to the gastroileal reflex initiated by stomach distension.

Difficulty: Medium Question 36 of 39

Practice all 39 Digestive System Overview questions

Keep practicing

More Digestive System Overview questions