MCQ Physiology Answer 19
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The LES separates esophagus from stomach. The gastroduodenal sphincter (also called the pyloric sphincter) regulates chyme entry from the stomach into duodenum. The ileocolonic sphincter keeps bacteria-rich colonic material from refluxing into the small intestine.
The internal anal sphincter functions to prevent uncontrolled movement of intraluminal material through the anus.
Tags: MCQ, Physiology, GIT
Category: Physiology MCQs
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