Functions and Regulation of GIT Questions And Answers 2025

Functions and Regulation of GIT Questions And Answers 2025 1. What is the major function of the GI system? 2. Regarding motility in the GI tract, Food is propelled along the tract by waves of smooth-muscle contraction and relaxation called peristalsis During a meal, intestinal motility functions primarily to mix chyme and bring it into contact with the gastric mucosa The rate of gastric emptying is controlled by hormones and by autonomic nerves Both food is propelled along the tract by waves of smooth-muscle contraction and relaxation called peristalsis and during a meal, intestinal motility functions primarily to mix chyme and bring it into contact with the gastric mucosa are correct All of the choices are correct 3. Secretions into the GI lumen include which of the following: Exocrine secretions from salivary and pancreatic glands Bile from the gall bladder Enzymes and mucus from epithelial cells. Electrolytes, water, and bicarbonate All of the above