PSL 310 Final Exam with 100% correct answers 2024

What does the enteric nervous system include correct answers the myenteric plexus and the submucusol plexus What occurs during the oropharyngeal stage of swallowing correct answers closure of the glottis and inhibition of respiration Gastrin correct answers a hormone secreted by cells in the antrum of the stomach which cause HCl secretion from parietal cells in the body of the stomach. Also stimulates chief cells to make pepsinogen - effects aren't in the lumen of the stomach, but in the blood Body correct answers cells of the body of the stomach secrete HCl by stimulating parietal cells but not gastrin What enters the lumen of the small intestine correct answers gastric content, pancreases exocrine secretions, bile Bile salts.... correct answers help in the absorption of the products of fat digestion by forming cells, but are NOT enzymes. made by liver, stored in gall bladder What do astral contractions in the stomach cause correct answers gastric mixing and emptying Where do segmentation and migrating motility complex/haustal contractions occur correct answers Segmentation and migrating motility complex occur in the small intestine. Haustal contractions occur in the large intestine parietal cells correct answers secrete intrinsic factor, which is absorbed in the ileum What increases stomach emptying correct answers Increased acidity, decreased distension Digestion of what is completed in the small intestine correct answers fats, proteins, carbs Hepatic portal circulation correct answers allows nutrients to go directly to the liver after absorbed from GI tract (except for fats) since they cannot directly enter the blood The large intestine secretes correct answers mucus