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- peristalsis in the small intestine 1. C. mixes chyme with digestive enzymes 2. A, B and C are correct 3. A and B are correct 4. B causes movement of materials in the canal 5. A is also known as segmentationB. Animal Nutrition 16. liver a. Acid release 17. Salivary gland b. Storage if undigested food 18. Small intestine c. Bile secretion 19. Large intestine d. Complete digestion 20. Rectum e. Absorption of water 21. Stomach f. Release of feces. 22-23. Why is digestion of fats difficult as compared to that of other nutrients? 24-25. What are villi? Write its function. Match the items in Column I with Column II. COLUMN I Column IIGut commensal bacteria are beneficial to animal nutrition including humans. For non-fermenting animals such as humans, select the answer that describes the greatest benefit of gut microflora on nutritional physiology. Select one: a. Absorption of carbohydrates b. Removal of water c. Production of some types of essential vitamins such as biotin and vitamin K d. Generation of gases necessary for proper elimination
- The main function of the mucus in the stomach is to _____. a. trap and kill ingested microorganisms b. enzymatically degrade complex nutrients c. protect epithelial cells from the acidified environment d. protect the microbiota from corrosive gastric juices e. delay the digestive process to maximize absorption.Which of the following best describe the function of goblet cells in the digestive tract? A. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion B. secrete buffers in order to keep the pH of the digestive tract close to neutral C. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food D. absorb nutrients from digested food and store them for future useWhich of the following is (are) a function(s) of saliva? A. providing antibacterial action B. increasing the pH of the mouth cavity C. providing amylase for starch digestion D. providing lubrication for the mouth and esophagus E. All of the above answer choices correctly answer the question.
- Match the digestive organ with the correct function 1)Mouth 2)Esophagus 3)Stomach 4)Pancreas 5)Liver 6)Gallbladder 7)Small intestines 8)Large Intestines A. Absorption of water B. Secretes digestive enzymes C. Stores food before it enters the intestines D. Absorption of nutrients E. Moves food into the stomach F. Begins mechanical digestion and chemical digestion of food G. Produces bile H. Stores bileB12 is bound to protein in foods which requires __________and ___________and then can bind to_________________which is found in the stomach. cooking, pepsin, intrinsic factor intrinsic factor, cooking, proteins intrinsic factor, pepsin, glyco-proteins cooking, pepsin, transport B12Which of the following is not an enzyme? A. Protease B. Pepsin C. Secretin D. Carboxypeptidase
- Intestinal microorganisms aid digestion and absorption by a. digesting cellulose. b. producing glucose. c. synthesizing vitamin K. d. Both a and c are correct.In the figure, cells of the secrete HCI, which Pepsinogen Pepsin HCI Lumen a. small intestine epithelium; keeps pepsin in its inactive form so the cells themselves are not digested O b. stomach epithelium; activates pepsinogen to form pepsin O c. pancreas; activates pepsinogen to form pepsin d. stomach submucosa; causes a low pH that activates pepsin е. pancreas epithelium; causes high acidity in the stomach, activating pepsinogen as a digestive enzymeConsumption of yogurt containing live cultures is touted as critical to the health of your gut. Are there circumstances where the consumption of yogurt might be beneficial?