Chapter 23 Reviewer

ESOPHAGUS 1. The esophagus takes food from the to the 2. a) At the junction of the esophagus and the stomach is a circular smooth muscle called the b) Contraction of this sphincter prevents the backup of into the

DIGESTIVE SYSTEM 1- introduction 2-parts of the system 3- signs ,symptoms, investigations and treatment of a 4 diseases related to digestive system

Large intestine 1. How long is it ?Which segments make up the large intestine? Which foods are digested here? Which nutrients are absorbed here? 2. Give two functions of the large intestine (colon). 3. E.Coli are bacteria that live in the colon.What do they do ? 4. What remains is undigested material called 5. This waste is eliminated through the opening called 6. Disorders:Explain each. a. Ulcer b. Constipation C. Diarrhea

15. Which digestive organ plays an indirect role in blood clotting and maintenance of plasma osmotic pressure? The liver 16. Trace the path of bilirubin (a component of bile) from the right lobe of the liver to the anal canal. Name all the structures through which it would pass. 17. How many organs empty into the duodenum? Name them and what they secrete.

TYPICAL STRUCTURE OF THE ALIMENTARY TUBE 1. Match each layer of the alimentary tube with the proper descriptive statements. Use each letter once. Two answer lines will bave three correct letters, and two will have two correct letters. A. Includes the epitchelial tissue that lines the organ B. Above the diaphragm; made of fibrous connective tissue C. Made of areolar connective tissue D. Secretes mucus and digestive enzymes E. Made of two layers (typically) of smooth muscle E Contains lymph nodules to destroy pathogens G. Contains Meissner's plexus, enteric nerves that regulate secretions of the mucosa 1) Mucosa 2) Submucosa 3) External muscle layer 4) Serosa H. Contains Auerbach's plexus, enteric nerves that regulate peristalsis I. Below the diaphragm; is the mesentery J. Provides mechanical digestion and peristalsis

ORAL CAVITY AND PHARYNX 1. a) The opening for food into the oral cavity is the b) The superior boundary of the oral cavity is the 2. Both the teeth and the tongue contribute to digestion in the oral cavity by what we call 3. a) An individual develops two sets of teeth. The first set is called the teeth and, if complete, consists of (number) teeth. b) The second set is called the (number) teeth. teeth and, if complete, consists of

13, Administration of drugs that selectively block the action of H+/K+ pumps in gastric cells would result in Multiple Choice   inhibition of H+ moving into the parietal cell and bicarbonate being reabsorbed into the bloodstream   inhibition of carbonic anhydrase and reduction of bicarbonate production   a decrease in H+ secretion and an increase in gastric pH   an increase in H+ secretion and a decrease in gastric pH

Chapter 25- Digestive System Figure is a frontal view of the digestive system. First, correctly identify all structures provided with leader lines. Then select different colors for the following organs and color the coding circles and the corresponding struc- tures of the figure. Esophagus Liver Large intestine Trachea Diaphragm Pancreas Salivary glands Small intestine will d Tongue Uvula Stomach

1. Give the boundaries of the oral cavity proper, oral vestibule, & oral cavity.   2. What is amylase and give its role in the digestion of food?   3.Enumerate the different types of lingual papillae & give its functions.

1. Explain the function of bicarbonate in pancreatic juice. How may peptic ulcers in the duodenum be produced?  2. Explain why the pancreas is considered both an exocrine and an endocrine gland. Given this information, predict what effects tying of the pancreatic duct would have on pancreatic structure and function.  3. Which surgery do you think would have the most profound effect on digestion: (a) removal of the stomach (gastrectomy); (b) removal of the pancreas (pancreatectomy); or (c) removal of the gallbladder (cholecystectomy)? Explain your reasoning.

i need solve all question about physiology Liver: a-  function.           b- bile :definition, volume,PH ,composition,function.           c- bile salts :definition,formation,fate,functions.           d- bile pigments formation through :- reticuloendothelial system.                                                                    - blood .                                                                    - liver.                                                                    - intestine.           e- gallbladder function.

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 segmentation

1. Read on digestion in pigs 2. Take note of what happens in the various parts of the digestion system 3. Identify the names of all tracts and valves 4. Be detail in your consideration

1.  What are the major factor/s that stimulate the release of Secretin by the S cells? I. Acidic pH of chyme entering the duodenum II. Parasympathetic stimuli III. Peptons in the gastric chyme entering the duodenum IV. A stomach full of digested content 2.  Which is/are true about cholecystokinin? I. Secreted in response to the presence of fat or protein digestive products II. CCK inhibits gastric and intestinal motility III. It potentiates the secretory action of the pancreas IV. It causes contraction of the gall bladder wall 3. Which of the following ions are correctly matched to its mode of transport and part of the tubule? I. Urea - Passive Transport - Proximal Convoluted Tubule II. Sodium - Passive Transport - Ascending Loop of Henle III. Water - Active Transport - Proximal Convoluted Tubule IV. Potassium - Active Transport - Proximal Convoluted Tubule

please give the answer to these questions. not a graded assignmentdigestive system consists of how many organs? 2. digestion starts from where? 3. secretions of mouth include.... 4. length of the oesophagus  5. components absorbed   in mouth.. 6. movement of esophagus  by which food enters the stomach. 7. secretions of stomach 8. which all components get absorbed  in stomach.. 9. liver secretes... 10. bile helps in the digestion of 11. layers of stomach 12. layers of small intestine 13. layers of large intestine 14. digestion completes in 15. absorption starts in 16. absorption of water occurs in 17. absorption of alcohol occurs in 18. villus helps in  19. what are chylomicrons 20. digestion ends in how many hours  21. carbohydrates break into... 22. proteins break into... 23. Fat breaks into... 24. enzymes help in digestion of starch 25. Enzymes help in digestion of protein 26. Enzymes for fat digestion  27. Sphincters present in esophagus  28. Sphincters of stomach 29. Parts of…

Write aboute the following with pictures :           1. bile pigments formation through :- reticuloendothelial system :                                                                                                     - blood .                                                                                                     - liver.                                                                                                     - intestine.           2. gallbladder function.

5. Define these terms and where in the digestive system they are located Rugae Acinar cells Intestinal villi Plicae circulares Microvilli

All of the following regions / structures demonstrate simple columnar cells (microvilli) with goblet cells EXCEPT for the?  1. middle of the esophagus 2. distal end of the esophagus 3. stomach 4. duodenum 5. jejunum 6. ileum Choose from the following: (A) 1 and 2 (B) 1, 2, and 3 (C) only 3 (D) 4 and 5 (E) 5 and 6

6. Match the items in column B with the descriptive statements in column A. Column A 1. structure that suspends the small intestine from the posterior body wall 2. fingerlike extensions of the intestinal mucosa that increase the surface area for absorption 3. large collections of lymphoid tissue found in the submucosa of the small intestine 4. deep folds of the mucosa and submucosa that extend completely or partially around the circumference of the small intestine 5. mobile organ that manipulates food in the mouth and initiates swallowing 6. conduit for both air and food 7. food passageway that has no digestive/absorptive function 8. folds of the gastric mucosa 9. pocketlike sacs of the large intestine 10. projections of the plasma membrane of a mucosal epithelial cell 11. valve at the junction of the small and large intestines 12. primary region of nutrient absorption 13. membrane securing the tongue to the floor of the mouth 14. absorbs water and forms feces 15. area between the…

Answer in brief sentences in your own words please thank you! 1. Soon after the bolus reaches the stomach, is there starch digestion on the outer surface the bolus? Why or why not?