ALTERATIONS IN GASTROINTESTINAL FUNCTION QUESTIONS & ANSWERS 2024-25 A+

ALTERATIONS IN GASTROINTESTINAL FUNCTION QUESTIONS & ANSWERS 2024-25 A+ 1. Peristalsis: Involuntary waves of coordinated muscle contractions that keep food moving along in one direction through the digestive system 2. How do the LES and UES function?: They work on feedback and pressure from the nervous system 3. What occurs in the esophagus when blood flow to the liver decreases?: - When blood flow to liver decreases i.e., during liver failure, blood flow to esophagus increases Because blood vessels in the esophagus sit close to the surface, this increase in blood flow can lead to the rupturing of enlarged veins 4. What is the function of the esophagus?: To carry food, liquids, and saliva from the mouth to the stomach, and to push bile back down 5. Where is the esophagus located?: In the neck behind the trachea (windpipe), close to other organs, tissues, and structures This proximity partially accounts for the complex pathophysiology of the esophagus Continues...